-44.59% is the change from 850 to 471
Calculation steps:
[( 471 - 850 ) ÷ 850] x 100 = -44.59%
Formula
Percentage change = [(471 - 850) / 850] x 100
Subtract the new number by the original number
471 - 850 = -379
-379 ÷ 850 = -0.44588235294117645
-0.44588235294117645 x 100 = -44.59%