-74.4% is the change from 457 to 117
Calculation steps:
[( 117 - 457 ) ÷ 457] x 100 = -74.4%
Formula
Percentage change = [(117 - 457) / 457] x 100
Subtract the new number by the original number
117 - 457 = -340
-340 ÷ 457 = -0.7439824945295405
-0.7439824945295405 x 100 = -74.4%