-72.01% is the change from 593 to 166
Calculation steps:
[( 166 - 593 ) ÷ 593] x 100 = -72.01%
Formula
Percentage change = [(166 - 593) / 593] x 100
Subtract the new number by the original number
166 - 593 = -427
-427 ÷ 593 = -0.7200674536256324
-0.7200674536256324 x 100 = -72.01%