151.14% is the change from 307 to 771
Calculation steps:
[( 771 - 307 ) ÷ 307] x 100 = 151.14%
Formula
Percentage change = [(771 - 307) / 307] x 100
Subtract the new number by the original number
771 - 307 = 464
464 ÷ 307 = 1.511400651465798
1.511400651465798 x 100 = 151.14%