207.19% is the change from 306 to 940
Calculation steps:
[( 940 - 306 ) ÷ 306] x 100 = 207.19%
Formula
Percentage change = [(940 - 306) / 306] x 100
Subtract the new number by the original number
940 - 306 = 634
634 ÷ 306 = 2.0718954248366015
2.0718954248366015 x 100 = 207.19%