298.72% is the change from 78 to 311
Calculation steps:
[( 311 - 78 ) ÷ 78] x 100 = 298.72%
Formula
Percentage change = [(311 - 78) / 78] x 100
Subtract the new number by the original number
311 - 78 = 233
233 ÷ 78 = 2.9871794871794872
2.9871794871794872 x 100 = 298.72%