1025% is the change from 12 to 135
Calculation steps:
[( 135 - 12 ) ÷ 12] x 100 = 1025%
Formula
Percentage change = [(135 - 12) / 12] x 100
Subtract the new number by the original number
135 - 12 = 123
123 ÷ 12 = 10.25
10.25 x 100 = 1025%
Example