-26.84% is the change from 868 to 635
Calculation steps:
[( 635 - 868 ) ÷ 868] x 100 = -26.84%
Formula
Percentage change = [(635 - 868) / 868] x 100
Subtract the new number by the original number
635 - 868 = -233
-233 ÷ 868 = -0.2684331797235023
-0.2684331797235023 x 100 = -26.84%