-74.9% is the change from 717 to 180
Calculation steps:
[( 180 - 717 ) ÷ 717] x 100 = -74.9%
Formula
Percentage change = [(180 - 717) / 717] x 100
Subtract the new number by the original number
180 - 717 = -537
-537 ÷ 717 = -0.7489539748953975
-0.7489539748953975 x 100 = -74.9%