-30.13% is the change from 717 to 501
Calculation steps:
[( 501 - 717 ) ÷ 717] x 100 = -30.13%
Formula
Percentage change = [(501 - 717) / 717] x 100
Subtract the new number by the original number
501 - 717 = -216
-216 ÷ 717 = -0.301255230125523
-0.301255230125523 x 100 = -30.13%