219.93% is the change from 306 to 979
Calculation steps:
[( 979 - 306 ) ÷ 306] x 100 = 219.93%
Formula
Percentage change = [(979 - 306) / 306] x 100
Subtract the new number by the original number
979 - 306 = 673
673 ÷ 306 = 2.1993464052287583
2.1993464052287583 x 100 = 219.93%