-58.9% is the change from 635 to 261
Calculation steps:
[( 261 - 635 ) ÷ 635] x 100 = -58.9%
Formula
Percentage change = [(261 - 635) / 635] x 100
Subtract the new number by the original number
261 - 635 = -374
-374 ÷ 635 = -0.5889763779527559
-0.5889763779527559 x 100 = -58.9%