780% is the change from 15 to 132
Calculation steps:
[( 132 - 15 ) ÷ 15] x 100 = 780%
Formula
Percentage change = [(132 - 15) / 15] x 100
Subtract the new number by the original number
132 - 15 = 117
117 ÷ 15 = 7.8
7.8 x 100 = 780%
Example