128.1% is the change from 420 to 958
Calculation steps:
[( 958 - 420 ) ÷ 420] x 100 = 128.1%
Formula
Percentage change = [(958 - 420) / 420] x 100
Subtract the new number by the original number
958 - 420 = 538
538 ÷ 420 = 1.2809523809523808
1.2809523809523808 x 100 = 128.1%