-2.19% is the change from 228 to 223
Calculation steps:
[( 223 - 228 ) ÷ 228] x 100 = -2.19%
Formula
Percentage change = [(223 - 228) / 228] x 100
Subtract the new number by the original number
223 - 228 = -5
-5 ÷ 228 = -0.021929824561403508
-0.021929824561403508 x 100 = -2.19%