-48.58% is the change from 457 to 235
Calculation steps:
[( 235 - 457 ) ÷ 457] x 100 = -48.58%
Formula
Percentage change = [(235 - 457) / 457] x 100
Subtract the new number by the original number
235 - 457 = -222
-222 ÷ 457 = -0.48577680525164113
-0.48577680525164113 x 100 = -48.58%