118.1% is the change from 420 to 916
Calculation steps:
[( 916 - 420 ) ÷ 420] x 100 = 118.1%
Formula
Percentage change = [(916 - 420) / 420] x 100
Subtract the new number by the original number
916 - 420 = 496
496 ÷ 420 = 1.180952380952381
1.180952380952381 x 100 = 118.1%