402.2% is the change from 91 to 457
Calculation steps:
[( 457 - 91 ) ÷ 91] x 100 = 402.2%
Formula
Percentage change = [(457 - 91) / 91] x 100
Subtract the new number by the original number
457 - 91 = 366
366 ÷ 91 = 4.021978021978022
4.021978021978022 x 100 = 402.2%