-66.28% is the change from 513 to 173
Calculation steps:
[( 173 - 513 ) ÷ 513] x 100 = -66.28%
Formula
Percentage change = [(173 - 513) / 513] x 100
Subtract the new number by the original number
173 - 513 = -340
-340 ÷ 513 = -0.6627680311890838
-0.6627680311890838 x 100 = -66.28%