-86.07% is the change from 122 to 17
Calculation steps:
[( 17 - 122 ) ÷ 122] x 100 = -86.07%
Formula
Percentage change = [(17 - 122) / 122] x 100
Subtract the new number by the original number
17 - 122 = -105
-105 ÷ 122 = -0.860655737704918
-0.860655737704918 x 100 = -86.07%