-18.27% is the change from 635 to 519
Calculation steps:
[( 519 - 635 ) ÷ 635] x 100 = -18.27%
Formula
Percentage change = [(519 - 635) / 635] x 100
Subtract the new number by the original number
519 - 635 = -116
-116 ÷ 635 = -0.1826771653543307
-0.1826771653543307 x 100 = -18.27%