122.09% is the change from 421 to 935
Calculation steps:
[( 935 - 421 ) ÷ 421] x 100 = 122.09%
Formula
Percentage change = [(935 - 421) / 421] x 100
Subtract the new number by the original number
935 - 421 = 514
514 ÷ 421 = 1.2209026128266034
1.2209026128266034 x 100 = 122.09%