77.65% is the change from 434 to 771
Calculation steps:
[( 771 - 434 ) ÷ 434] x 100 = 77.65%
Formula
Percentage change = [(771 - 434) / 434] x 100
Subtract the new number by the original number
771 - 434 = 337
337 ÷ 434 = 0.7764976958525346
0.7764976958525346 x 100 = 77.65%