-83.9% is the change from 236 to 38
Calculation steps:
[( 38 - 236 ) ÷ 236] x 100 = -83.9%
Formula
Percentage change = [(38 - 236) / 236] x 100
Subtract the new number by the original number
38 - 236 = -198
-198 ÷ 236 = -0.8389830508474576
-0.8389830508474576 x 100 = -83.9%