27.44% is the change from 164 to 209
Calculation steps:
[( 209 - 164 ) ÷ 164] x 100 = 27.44%
Formula
Percentage change = [(209 - 164) / 164] x 100
Subtract the new number by the original number
209 - 164 = 45
45 ÷ 164 = 0.27439024390243905
0.27439024390243905 x 100 = 27.44%