6.4% is the change from 172 to 183
Calculation steps:
[( 183 - 172 ) ÷ 172] x 100 = 6.4%
Formula
Percentage change = [(183 - 172) / 172] x 100
Subtract the new number by the original number
183 - 172 = 11
11 ÷ 172 = 0.06395348837209303
0.06395348837209303 x 100 = 6.4%