78.63% is the change from 454 to 811
Calculation steps:
[( 811 - 454 ) ÷ 454] x 100 = 78.63%
Formula
Percentage change = [(811 - 454) / 454] x 100
Subtract the new number by the original number
811 - 454 = 357
357 ÷ 454 = 0.7863436123348018
0.7863436123348018 x 100 = 78.63%