-28.02% is the change from 721 to 519
Calculation steps:
[( 519 - 721 ) ÷ 721] x 100 = -28.02%
Formula
Percentage change = [(519 - 721) / 721] x 100
Subtract the new number by the original number
519 - 721 = -202
-202 ÷ 721 = -0.2801664355062413
-0.2801664355062413 x 100 = -28.02%