133.57% is the change from 420 to 981
Calculation steps:
[( 981 - 420 ) ÷ 420] x 100 = 133.57%
Formula
Percentage change = [(981 - 420) / 420] x 100
Subtract the new number by the original number
981 - 420 = 561
561 ÷ 420 = 1.3357142857142856
1.3357142857142856 x 100 = 133.57%