-62.99% is the change from 635 to 235
Calculation steps:
[( 235 - 635 ) ÷ 635] x 100 = -62.99%
Formula
Percentage change = [(235 - 635) / 635] x 100
Subtract the new number by the original number
235 - 635 = -400
-400 ÷ 635 = -0.6299212598425197
-0.6299212598425197 x 100 = -62.99%