-20.88% is the change from 656 to 519
Calculation steps:
[( 519 - 656 ) ÷ 656] x 100 = -20.88%
Formula
Percentage change = [(519 - 656) / 656] x 100
Subtract the new number by the original number
519 - 656 = -137
-137 ÷ 656 = -0.20884146341463414
-0.20884146341463414 x 100 = -20.88%