77.46% is the change from 457 to 811
Calculation steps:
[( 811 - 457 ) ÷ 457] x 100 = 77.46%
Formula
Percentage change = [(811 - 457) / 457] x 100
Subtract the new number by the original number
811 - 457 = 354
354 ÷ 457 = 0.774617067833698
0.774617067833698 x 100 = 77.46%