-5.26% is the change from 228 to 216
Calculation steps:
[( 216 - 228 ) ÷ 228] x 100 = -5.26%
Formula
Percentage change = [(216 - 228) / 228] x 100
Subtract the new number by the original number
216 - 228 = -12
-12 ÷ 228 = -0.05263157894736842
-0.05263157894736842 x 100 = -5.26%