6.28% is the change from 207 to 220
Calculation steps:
[( 220 - 207 ) ÷ 207] x 100 = 6.28%
Formula
Percentage change = [(220 - 207) / 207] x 100
Subtract the new number by the original number
220 - 207 = 13
13 ÷ 207 = 0.06280193236714976
0.06280193236714976 x 100 = 6.28%