-48.88% is the change from 851 to 435
Calculation steps:
[( 435 - 851 ) ÷ 851] x 100 = -48.88%
Formula
Percentage change = [(435 - 851) / 851] x 100
Subtract the new number by the original number
435 - 851 = -416
-416 ÷ 851 = -0.4888366627497062
-0.4888366627497062 x 100 = -48.88%