-27.62% is the change from 717 to 519
Calculation steps:
[( 519 - 717 ) ÷ 717] x 100 = -27.62%
Formula
Percentage change = [(519 - 717) / 717] x 100
Subtract the new number by the original number
519 - 717 = -198
-198 ÷ 717 = -0.27615062761506276
-0.27615062761506276 x 100 = -27.62%