-34.72% is the change from 288 to 188
Calculation steps:
[( 188 - 288 ) ÷ 288] x 100 = -34.72%
Formula
Percentage change = [(188 - 288) / 288] x 100
Subtract the new number by the original number
188 - 288 = -100
-100 ÷ 288 = -0.3472222222222222
-0.3472222222222222 x 100 = -34.72%