78.29% is the change from 456 to 813
Calculation steps:
[( 813 - 456 ) ÷ 456] x 100 = 78.29%
Formula
Percentage change = [(813 - 456) / 456] x 100
Subtract the new number by the original number
813 - 456 = 357
357 ÷ 456 = 0.7828947368421053
0.7828947368421053 x 100 = 78.29%