3.51% is the change from 228 to 236
Calculation steps:
[( 236 - 228 ) ÷ 228] x 100 = 3.51%
Formula
Percentage change = [(236 - 228) / 228] x 100
Subtract the new number by the original number
236 - 228 = 8
8 ÷ 228 = 0.03508771929824561
0.03508771929824561 x 100 = 3.51%