-87.01% is the change from 331 to 43
Calculation steps:
[( 43 - 331 ) ÷ 331] x 100 = -87.01%
Formula
Percentage change = [(43 - 331) / 331] x 100
Subtract the new number by the original number
43 - 331 = -288
-288 ÷ 331 = -0.8700906344410876
-0.8700906344410876 x 100 = -87.01%