124.29% is the change from 420 to 942
Calculation steps:
[( 942 - 420 ) ÷ 420] x 100 = 124.29%
Formula
Percentage change = [(942 - 420) / 420] x 100
Subtract the new number by the original number
942 - 420 = 522
522 ÷ 420 = 1.2428571428571429
1.2428571428571429 x 100 = 124.29%