-30.94% is the change from 417 to 288
Calculation steps:
[( 288 - 417 ) ÷ 417] x 100 = -30.94%
Formula
Percentage change = [(288 - 417) / 417] x 100
Subtract the new number by the original number
288 - 417 = -129
-129 ÷ 417 = -0.30935251798561153
-0.30935251798561153 x 100 = -30.94%