401.1% is the change from 91 to 456
Calculation steps:
[( 456 - 91 ) ÷ 91] x 100 = 401.1%
Formula
Percentage change = [(456 - 91) / 91] x 100
Subtract the new number by the original number
456 - 91 = 365
365 ÷ 91 = 4.010989010989011
4.010989010989011 x 100 = 401.1%