147.91% is the change from 311 to 771
Calculation steps:
[( 771 - 311 ) ÷ 311] x 100 = 147.91%
Formula
Percentage change = [(771 - 311) / 311] x 100
Subtract the new number by the original number
771 - 311 = 460
460 ÷ 311 = 1.4790996784565917
1.4790996784565917 x 100 = 147.91%