1250% is the change from 12 to 162
Calculation steps:
[( 162 - 12 ) ÷ 12] x 100 = 1250%
Formula
Percentage change = [(162 - 12) / 12] x 100
Subtract the new number by the original number
162 - 12 = 150
150 ÷ 12 = 12.5
12.5 x 100 = 1250%
Example