128.81% is the change from 420 to 961
Calculation steps:
[( 961 - 420 ) ÷ 420] x 100 = 128.81%
Formula
Percentage change = [(961 - 420) / 420] x 100
Subtract the new number by the original number
961 - 420 = 541
541 ÷ 420 = 1.2880952380952382
1.2880952380952382 x 100 = 128.81%