85.31% is the change from 456 to 845
Calculation steps:
[( 845 - 456 ) ÷ 456] x 100 = 85.31%
Formula
Percentage change = [(845 - 456) / 456] x 100
Subtract the new number by the original number
845 - 456 = 389
389 ÷ 456 = 0.8530701754385965
0.8530701754385965 x 100 = 85.31%