-28.13% is the change from 288 to 207
Calculation steps:
[( 207 - 288 ) ÷ 288] x 100 = -28.13%
Formula
Percentage change = [(207 - 288) / 288] x 100
Subtract the new number by the original number
207 - 288 = -81
-81 ÷ 288 = -0.28125
-0.28125 x 100 = -28.13%