47.83% is the change from 207 to 306
Calculation steps:
[( 306 - 207 ) ÷ 207] x 100 = 47.83%
Formula
Percentage change = [(306 - 207) / 207] x 100
Subtract the new number by the original number
306 - 207 = 99
99 ÷ 207 = 0.4782608695652174
0.4782608695652174 x 100 = 47.83%