-20.03% is the change from 649 to 519
Calculation steps:
[( 519 - 649 ) ÷ 649] x 100 = -20.03%
Formula
Percentage change = [(519 - 649) / 649] x 100
Subtract the new number by the original number
519 - 649 = -130
-130 ÷ 649 = -0.20030816640986132
-0.20030816640986132 x 100 = -20.03%