7.55% is the change from 212 to 228
Calculation steps:
[( 228 - 212 ) ÷ 212] x 100 = 7.55%
Formula
Percentage change = [(228 - 212) / 212] x 100
Subtract the new number by the original number
228 - 212 = 16
16 ÷ 212 = 0.07547169811320754
0.07547169811320754 x 100 = 7.55%