-71.97% is the change from 635 to 178
Calculation steps:
[( 178 - 635 ) ÷ 635] x 100 = -71.97%
Formula
Percentage change = [(178 - 635) / 635] x 100
Subtract the new number by the original number
178 - 635 = -457
-457 ÷ 635 = -0.7196850393700788
-0.7196850393700788 x 100 = -71.97%