140.31% is the change from 320 to 769
Calculation steps:
[( 769 - 320 ) ÷ 320] x 100 = 140.31%
Formula
Percentage change = [(769 - 320) / 320] x 100
Subtract the new number by the original number
769 - 320 = 449
449 ÷ 320 = 1.403125
1.403125 x 100 = 140.31%