210.46% is the change from 306 to 950
Calculation steps:
[( 950 - 306 ) ÷ 306] x 100 = 210.46%
Formula
Percentage change = [(950 - 306) / 306] x 100
Subtract the new number by the original number
950 - 306 = 644
644 ÷ 306 = 2.104575163398693
2.104575163398693 x 100 = 210.46%