-74.33% is the change from 635 to 163
Calculation steps:
[( 163 - 635 ) ÷ 635] x 100 = -74.33%
Formula
Percentage change = [(163 - 635) / 635] x 100
Subtract the new number by the original number
163 - 635 = -472
-472 ÷ 635 = -0.7433070866141732
-0.7433070866141732 x 100 = -74.33%