-80.89% is the change from 853 to 163
Calculation steps:
[( 163 - 853 ) ÷ 853] x 100 = -80.89%
Formula
Percentage change = [(163 - 853) / 853] x 100
Subtract the new number by the original number
163 - 853 = -690
-690 ÷ 853 = -0.8089097303634232
-0.8089097303634232 x 100 = -80.89%