-16.77% is the change from 161 to 134
Calculation steps:
[( 134 - 161 ) ÷ 161] x 100 = -16.77%
Formula
Percentage change = [(134 - 161) / 161] x 100
Subtract the new number by the original number
134 - 161 = -27
-27 ÷ 161 = -0.16770186335403728
-0.16770186335403728 x 100 = -16.77%