78.99% is the change from 457 to 818
Calculation steps:
[( 818 - 457 ) ÷ 457] x 100 = 78.99%
Formula
Percentage change = [(818 - 457) / 457] x 100
Subtract the new number by the original number
818 - 457 = 361
361 ÷ 457 = 0.7899343544857768
0.7899343544857768 x 100 = 78.99%