1160% is the change from 15 to 189
Calculation steps:
[( 189 - 15 ) ÷ 15] x 100 = 1160%
Formula
Percentage change = [(189 - 15) / 15] x 100
Subtract the new number by the original number
189 - 15 = 174
174 ÷ 15 = 11.6
11.6 x 100 = 1160%
Example