-34.38% is the change from 288 to 189
Calculation steps:
[( 189 - 288 ) ÷ 288] x 100 = -34.38%
Formula
Percentage change = [(189 - 288) / 288] x 100
Subtract the new number by the original number
189 - 288 = -99
-99 ÷ 288 = -0.34375
-0.34375 x 100 = -34.38%