1080% is the change from 15 to 177
Calculation steps:
[( 177 - 15 ) ÷ 15] x 100 = 1080%
Formula
Percentage change = [(177 - 15) / 15] x 100
Subtract the new number by the original number
177 - 15 = 162
162 ÷ 15 = 10.8
10.8 x 100 = 1080%
Example