-92.37% is the change from 931 to 71
Calculation steps:
[( 71 - 931 ) ÷ 931] x 100 = -92.37%
Formula
Percentage change = [(71 - 931) / 931] x 100
Subtract the new number by the original number
71 - 931 = -860
-860 ÷ 931 = -0.9237379162191193
-0.9237379162191193 x 100 = -92.37%