49.03% is the change from 206 to 307
Calculation steps:
[( 307 - 206 ) ÷ 206] x 100 = 49.03%
Formula
Percentage change = [(307 - 206) / 206] x 100
Subtract the new number by the original number
307 - 206 = 101
101 ÷ 206 = 0.49029126213592233
0.49029126213592233 x 100 = 49.03%