-4.82% is the change from 228 to 217
Calculation steps:
[( 217 - 228 ) ÷ 228] x 100 = -4.82%
Formula
Percentage change = [(217 - 228) / 228] x 100
Subtract the new number by the original number
217 - 228 = -11
-11 ÷ 228 = -0.04824561403508772
-0.04824561403508772 x 100 = -4.82%