-55.21% is the change from 288 to 129
Calculation steps:
[( 129 - 288 ) ÷ 288] x 100 = -55.21%
Formula
Percentage change = [(129 - 288) / 288] x 100
Subtract the new number by the original number
129 - 288 = -159
-159 ÷ 288 = -0.5520833333333334
-0.5520833333333334 x 100 = -55.21%