-68.82% is the change from 850 to 265
Calculation steps:
[( 265 - 850 ) ÷ 850] x 100 = -68.82%
Formula
Percentage change = [(265 - 850) / 850] x 100
Subtract the new number by the original number
265 - 850 = -585
-585 ÷ 850 = -0.6882352941176471
-0.6882352941176471 x 100 = -68.82%