-88.94% is the change from 850 to 94
Calculation steps:
[( 94 - 850 ) ÷ 850] x 100 = -88.94%
Formula
Percentage change = [(94 - 850) / 850] x 100
Subtract the new number by the original number
94 - 850 = -756
-756 ÷ 850 = -0.8894117647058823
-0.8894117647058823 x 100 = -88.94%