-66.71% is the change from 853 to 284
Calculation steps:
[( 284 - 853 ) ÷ 853] x 100 = -66.71%
Formula
Percentage change = [(284 - 853) / 853] x 100
Subtract the new number by the original number
284 - 853 = -569
-569 ÷ 853 = -0.6670574443141852
-0.6670574443141852 x 100 = -66.71%