1180% is the change from 15 to 192
Calculation steps:
[( 192 - 15 ) ÷ 15] x 100 = 1180%
Formula
Percentage change = [(192 - 15) / 15] x 100
Subtract the new number by the original number
192 - 15 = 177
177 ÷ 15 = 11.8
11.8 x 100 = 1180%
Example