-86.31% is the change from 891 to 122
Calculation steps:
[( 122 - 891 ) ÷ 891] x 100 = -86.31%
Formula
Percentage change = [(122 - 891) / 891] x 100
Subtract the new number by the original number
122 - 891 = -769
-769 ÷ 891 = -0.8630751964085297
-0.8630751964085297 x 100 = -86.31%