-23.7% is the change from 211 to 161
Calculation steps:
[( 161 - 211 ) ÷ 211] x 100 = -23.7%
Formula
Percentage change = [(161 - 211) / 211] x 100
Subtract the new number by the original number
161 - 211 = -50
-50 ÷ 211 = -0.23696682464454977
-0.23696682464454977 x 100 = -23.7%