87.36% is the change from 451 to 845
Calculation steps:
[( 845 - 451 ) ÷ 451] x 100 = 87.36%
Formula
Percentage change = [(845 - 451) / 451] x 100
Subtract the new number by the original number
845 - 451 = 394
394 ÷ 451 = 0.8736141906873615
0.8736141906873615 x 100 = 87.36%