80.57% is the change from 453 to 818
Calculation steps:
[( 818 - 453 ) ÷ 453] x 100 = 80.57%
Formula
Percentage change = [(818 - 453) / 453] x 100
Subtract the new number by the original number
818 - 453 = 365
365 ÷ 453 = 0.8057395143487859
0.8057395143487859 x 100 = 80.57%