946.15% is the change from 13 to 136
Calculation steps:
[( 136 - 13 ) ÷ 13] x 100 = 946.15%
Formula
Percentage change = [(136 - 13) / 13] x 100
Subtract the new number by the original number
136 - 13 = 123
123 ÷ 13 = 9.461538461538462
9.461538461538462 x 100 = 946.15%