-19.21% is the change from 635 to 513
Calculation steps:
[( 513 - 635 ) ÷ 635] x 100 = -19.21%
Formula
Percentage change = [(513 - 635) / 635] x 100
Subtract the new number by the original number
513 - 635 = -122
-122 ÷ 635 = -0.1921259842519685
-0.1921259842519685 x 100 = -19.21%