-5.65% is the change from 850 to 802
Calculation steps:
[( 802 - 850 ) ÷ 850] x 100 = -5.65%
Formula
Percentage change = [(802 - 850) / 850] x 100
Subtract the new number by the original number
802 - 850 = -48
-48 ÷ 850 = -0.05647058823529412
-0.05647058823529412 x 100 = -5.65%