-76.85% is the change from 635 to 147
Calculation steps:
[( 147 - 635 ) ÷ 635] x 100 = -76.85%
Formula
Percentage change = [(147 - 635) / 635] x 100
Subtract the new number by the original number
147 - 635 = -488
-488 ÷ 635 = -0.768503937007874
-0.768503937007874 x 100 = -76.85%