204.25% is the change from 306 to 931
Calculation steps:
[( 931 - 306 ) ÷ 306] x 100 = 204.25%
Formula
Percentage change = [(931 - 306) / 306] x 100
Subtract the new number by the original number
931 - 306 = 625
625 ÷ 306 = 2.042483660130719
2.042483660130719 x 100 = 204.25%