-25.44% is the change from 853 to 636
Calculation steps:
[( 636 - 853 ) ÷ 853] x 100 = -25.44%
Formula
Percentage change = [(636 - 853) / 853] x 100
Subtract the new number by the original number
636 - 853 = -217
-217 ÷ 853 = -0.2543962485345838
-0.2543962485345838 x 100 = -25.44%