-68.35% is the change from 850 to 269
Calculation steps:
[( 269 - 850 ) ÷ 850] x 100 = -68.35%
Formula
Percentage change = [(269 - 850) / 850] x 100
Subtract the new number by the original number
269 - 850 = -581
-581 ÷ 850 = -0.6835294117647058
-0.6835294117647058 x 100 = -68.35%