-93.17% is the change from 161 to 11
Calculation steps:
[( 11 - 161 ) ÷ 161] x 100 = -93.17%
Formula
Percentage change = [(11 - 161) / 161] x 100
Subtract the new number by the original number
11 - 161 = -150
-150 ÷ 161 = -0.9316770186335404
-0.9316770186335404 x 100 = -93.17%