-58.96% is the change from 173 to 71
Calculation steps:
[( 71 - 173 ) ÷ 173] x 100 = -58.96%
Formula
Percentage change = [(71 - 173) / 173] x 100
Subtract the new number by the original number
71 - 173 = -102
-102 ÷ 173 = -0.5895953757225434
-0.5895953757225434 x 100 = -58.96%