621.32% is the change from 136 to 981
Calculation steps:
[( 981 - 136 ) ÷ 136] x 100 = 621.32%
Formula
Percentage change = [(981 - 136) / 136] x 100
Subtract the new number by the original number
981 - 136 = 845
845 ÷ 136 = 6.213235294117647
6.213235294117647 x 100 = 621.32%