-85.98% is the change from 635 to 89
Calculation steps:
[( 89 - 635 ) ÷ 635] x 100 = -85.98%
Formula
Percentage change = [(89 - 635) / 635] x 100
Subtract the new number by the original number
89 - 635 = -546
-546 ÷ 635 = -0.8598425196850393
-0.8598425196850393 x 100 = -85.98%