-29.43% is the change from 717 to 506
Calculation steps:
[( 506 - 717 ) ÷ 717] x 100 = -29.43%
Formula
Percentage change = [(506 - 717) / 717] x 100
Subtract the new number by the original number
506 - 717 = -211
-211 ÷ 717 = -0.29428172942817293
-0.29428172942817293 x 100 = -29.43%