129.05% is the change from 420 to 962
Calculation steps:
[( 962 - 420 ) ÷ 420] x 100 = 129.05%
Formula
Percentage change = [(962 - 420) / 420] x 100
Subtract the new number by the original number
962 - 420 = 542
542 ÷ 420 = 1.2904761904761906
1.2904761904761906 x 100 = 129.05%