-76.15% is the change from 717 to 171
Calculation steps:
[( 171 - 717 ) ÷ 717] x 100 = -76.15%
Formula
Percentage change = [(171 - 717) / 717] x 100
Subtract the new number by the original number
171 - 717 = -546
-546 ÷ 717 = -0.7615062761506276
-0.7615062761506276 x 100 = -76.15%