-70.02% is the change from 577 to 173
Calculation steps:
[( 173 - 577 ) ÷ 577] x 100 = -70.02%
Formula
Percentage change = [(173 - 577) / 577] x 100
Subtract the new number by the original number
173 - 577 = -404
-404 ÷ 577 = -0.7001733102253033
-0.7001733102253033 x 100 = -70.02%