-52.17% is the change from 851 to 407
Calculation steps:
[( 407 - 851 ) ÷ 851] x 100 = -52.17%
Formula
Percentage change = [(407 - 851) / 851] x 100
Subtract the new number by the original number
407 - 851 = -444
-444 ÷ 851 = -0.5217391304347826
-0.5217391304347826 x 100 = -52.17%