-40.26% is the change from 457 to 273
Calculation steps:
[( 273 - 457 ) ÷ 457] x 100 = -40.26%
Formula
Percentage change = [(273 - 457) / 457] x 100
Subtract the new number by the original number
273 - 457 = -184
-184 ÷ 457 = -0.4026258205689278
-0.4026258205689278 x 100 = -40.26%