10.14% is the change from 207 to 228
Calculation steps:
[( 228 - 207 ) ÷ 207] x 100 = 10.14%
Formula
Percentage change = [(228 - 207) / 207] x 100
Subtract the new number by the original number
228 - 207 = 21
21 ÷ 207 = 0.10144927536231885
0.10144927536231885 x 100 = 10.14%