-59.21% is the change from 635 to 259
Calculation steps:
[( 259 - 635 ) ÷ 635] x 100 = -59.21%
Formula
Percentage change = [(259 - 635) / 635] x 100
Subtract the new number by the original number
259 - 635 = -376
-376 ÷ 635 = -0.5921259842519685
-0.5921259842519685 x 100 = -59.21%