-25.03% is the change from 847 to 635
Calculation steps:
[( 635 - 847 ) ÷ 847] x 100 = -25.03%
Formula
Percentage change = [(635 - 847) / 847] x 100
Subtract the new number by the original number
635 - 847 = -212
-212 ÷ 847 = -0.2502951593860685
-0.2502951593860685 x 100 = -25.03%