-4.93% is the change from 223 to 212
Calculation steps:
[( 212 - 223 ) ÷ 223] x 100 = -4.93%
Formula
Percentage change = [(212 - 223) / 223] x 100
Subtract the new number by the original number
212 - 223 = -11
-11 ÷ 223 = -0.04932735426008968
-0.04932735426008968 x 100 = -4.93%