-85.09% is the change from 818 to 122
Calculation steps:
[( 122 - 818 ) ÷ 818] x 100 = -85.09%
Formula
Percentage change = [(122 - 818) / 818] x 100
Subtract the new number by the original number
122 - 818 = -696
-696 ÷ 818 = -0.8508557457212714
-0.8508557457212714 x 100 = -85.09%