-22.42% is the change from 669 to 519
Calculation steps:
[( 519 - 669 ) ÷ 669] x 100 = -22.42%
Formula
Percentage change = [(519 - 669) / 669] x 100
Subtract the new number by the original number
519 - 669 = -150
-150 ÷ 669 = -0.2242152466367713
-0.2242152466367713 x 100 = -22.42%