48.54% is the change from 206 to 306
Calculation steps:
[( 306 - 206 ) ÷ 206] x 100 = 48.54%
Formula
Percentage change = [(306 - 206) / 206] x 100
Subtract the new number by the original number
306 - 206 = 100
100 ÷ 206 = 0.4854368932038835
0.4854368932038835 x 100 = 48.54%