-33.18% is the change from 431 to 288
Calculation steps:
[( 288 - 431 ) ÷ 431] x 100 = -33.18%
Formula
Percentage change = [(288 - 431) / 431] x 100
Subtract the new number by the original number
288 - 431 = -143
-143 ÷ 431 = -0.33178654292343385
-0.33178654292343385 x 100 = -33.18%