1200% is the change from 13 to 169
Calculation steps:
[( 169 - 13 ) ÷ 13] x 100 = 1200%
Formula
Percentage change = [(169 - 13) / 13] x 100
Subtract the new number by the original number
169 - 13 = 156
156 ÷ 13 = 12
12 x 100 = 1200%
Example