91.57% is the change from 451 to 864
Calculation steps:
[( 864 - 451 ) ÷ 451] x 100 = 91.57%
Formula
Percentage change = [(864 - 451) / 451] x 100
Subtract the new number by the original number
864 - 451 = 413
413 ÷ 451 = 0.9157427937915743
0.9157427937915743 x 100 = 91.57%