-76.45% is the change from 726 to 171
Calculation steps:
[( 171 - 726 ) ÷ 726] x 100 = -76.45%
Formula
Percentage change = [(171 - 726) / 726] x 100
Subtract the new number by the original number
171 - 726 = -555
-555 ÷ 726 = -0.7644628099173554
-0.7644628099173554 x 100 = -76.45%