-7.65% is the change from 850 to 785
Calculation steps:
[( 785 - 850 ) ÷ 850] x 100 = -7.65%
Formula
Percentage change = [(785 - 850) / 850] x 100
Subtract the new number by the original number
785 - 850 = -65
-65 ÷ 850 = -0.07647058823529412
-0.07647058823529412 x 100 = -7.65%