-13.19% is the change from 288 to 250
Calculation steps:
[( 250 - 288 ) ÷ 288] x 100 = -13.19%
Formula
Percentage change = [(250 - 288) / 288] x 100
Subtract the new number by the original number
250 - 288 = -38
-38 ÷ 288 = -0.13194444444444445
-0.13194444444444445 x 100 = -13.19%