121.7% is the change from 424 to 940
Calculation steps:
[( 940 - 424 ) ÷ 424] x 100 = 121.7%
Formula
Percentage change = [(940 - 424) / 424] x 100
Subtract the new number by the original number
940 - 424 = 516
516 ÷ 424 = 1.2169811320754718
1.2169811320754718 x 100 = 121.7%