208.82% is the change from 306 to 945
Calculation steps:
[( 945 - 306 ) ÷ 306] x 100 = 208.82%
Formula
Percentage change = [(945 - 306) / 306] x 100
Subtract the new number by the original number
945 - 306 = 639
639 ÷ 306 = 2.088235294117647
2.088235294117647 x 100 = 208.82%