-14.62% is the change from 212 to 181
Calculation steps:
[( 181 - 212 ) ÷ 212] x 100 = -14.62%
Formula
Percentage change = [(181 - 212) / 212] x 100
Subtract the new number by the original number
181 - 212 = -31
-31 ÷ 212 = -0.14622641509433962
-0.14622641509433962 x 100 = -14.62%