-24.31% is the change from 288 to 218
Calculation steps:
[( 218 - 288 ) ÷ 288] x 100 = -24.31%
Formula
Percentage change = [(218 - 288) / 288] x 100
Subtract the new number by the original number
218 - 288 = -70
-70 ÷ 288 = -0.24305555555555555
-0.24305555555555555 x 100 = -24.31%