What is 100 increased by 15%?

100 increased by 15% is 115. Calculate 15% of 100 = 15, then add that from 100: 100 + 15 = 115.

How do you calculate a percentage increase?

Multiply the original value by the percentage and divide by 100 to get the change amount. Then add it from the original. For 15% increase of 100: 100 × 0.15 = 15, then 100 + 15 = 115.

Quick Answer

15% Increase of 100

115

100 + 15 = 115

How to Calculate 15% Increase of 100

To find a percentage increase, first calculate the change amount, then add it to the original value.

Step 1 — Find the change100 × 0.15 = 15

Step 2 — Add the change100 + 15 = 115

Answer15% increase of 100 = 115

Alternatively: 100 × (1 + 0.15) = 100 × 1.15 = 115.

Other Percentage Increases of 100

Change %	Base	Result
5%	100	105
10%	100	110
15% ← you are here	100	115
20%	100	120
25%	100	125
30%	100	130
40%	100	140
50%	100	150
75%	100	175
100%	100	200

Looking for the opposite? 15% decrease of 100

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