128.74% is the change from 334 to 764
Calculation steps:
[( 764 - 334 ) ÷ 334] x 100 = 128.74%
Formula
Percentage change = [(764 - 334) / 334] x 100
Subtract the new number by the original number
764 - 334 = 430
430 ÷ 334 = 1.2874251497005988
1.2874251497005988 x 100 = 128.74%