-82.3% is the change from 531 to 94
Calculation steps:
[( 94 - 531 ) ÷ 531] x 100 = -82.3%
Formula
Percentage change = [(94 - 531) / 531] x 100
Subtract the new number by the original number
94 - 531 = -437
-437 ÷ 531 = -0.8229755178907722
-0.8229755178907722 x 100 = -82.3%