-74.96% is the change from 635 to 159
Calculation steps:
[( 159 - 635 ) ÷ 635] x 100 = -74.96%
Formula
Percentage change = [(159 - 635) / 635] x 100
Subtract the new number by the original number
159 - 635 = -476
-476 ÷ 635 = -0.7496062992125985
-0.7496062992125985 x 100 = -74.96%