-83.64% is the change from 593 to 97
Calculation steps:
[( 97 - 593 ) ÷ 593] x 100 = -83.64%
Formula
Percentage change = [(97 - 593) / 593] x 100
Subtract the new number by the original number
97 - 593 = -496
-496 ÷ 593 = -0.836424957841484
-0.836424957841484 x 100 = -83.64%