-20.92% is the change from 239 to 189
Calculation steps:
[( 189 - 239 ) ÷ 239] x 100 = -20.92%
Formula
Percentage change = [(189 - 239) / 239] x 100
Subtract the new number by the original number
189 - 239 = -50
-50 ÷ 239 = -0.20920502092050208
-0.20920502092050208 x 100 = -20.92%