129.46% is the change from 336 to 771
Calculation steps:
[( 771 - 336 ) ÷ 336] x 100 = 129.46%
Formula
Percentage change = [(771 - 336) / 336] x 100
Subtract the new number by the original number
771 - 336 = 435
435 ÷ 336 = 1.2946428571428572
1.2946428571428572 x 100 = 129.46%