-76.54% is the change from 729 to 171
Calculation steps:
[( 171 - 729 ) ÷ 729] x 100 = -76.54%
Formula
Percentage change = [(171 - 729) / 729] x 100
Subtract the new number by the original number
171 - 729 = -558
-558 ÷ 729 = -0.7654320987654321
-0.7654320987654321 x 100 = -76.54%