12.37% is the change from 186 to 209
Calculation steps:
[( 209 - 186 ) ÷ 186] x 100 = 12.37%
Formula
Percentage change = [(209 - 186) / 186] x 100
Subtract the new number by the original number
209 - 186 = 23
23 ÷ 186 = 0.12365591397849462
0.12365591397849462 x 100 = 12.37%