-13.65% is the change from 850 to 734
Calculation steps:
[( 734 - 850 ) ÷ 850] x 100 = -13.65%
Formula
Percentage change = [(734 - 850) / 850] x 100
Subtract the new number by the original number
734 - 850 = -116
-116 ÷ 850 = -0.13647058823529412
-0.13647058823529412 x 100 = -13.65%