-83.54% is the change from 237 to 39
Calculation steps:
[( 39 - 237 ) ÷ 237] x 100 = -83.54%
Formula
Percentage change = [(39 - 237) / 237] x 100
Subtract the new number by the original number
39 - 237 = -198
-198 ÷ 237 = -0.8354430379746836
-0.8354430379746836 x 100 = -83.54%