471.25% is the change from 80 to 457
Calculation steps:
[( 457 - 80 ) ÷ 80] x 100 = 471.25%
Formula
Percentage change = [(457 - 80) / 80] x 100
Subtract the new number by the original number
457 - 80 = 377
377 ÷ 80 = 4.7125
4.7125 x 100 = 471.25%
Example