-14.22% is the change from 211 to 181
Calculation steps:
[( 181 - 211 ) ÷ 211] x 100 = -14.22%
Formula
Percentage change = [(181 - 211) / 211] x 100
Subtract the new number by the original number
181 - 211 = -30
-30 ÷ 211 = -0.14218009478672985
-0.14218009478672985 x 100 = -14.22%