134.15% is the change from 328 to 768
Calculation steps:
[( 768 - 328 ) ÷ 328] x 100 = 134.15%
Formula
Percentage change = [(768 - 328) / 328] x 100
Subtract the new number by the original number
768 - 328 = 440
440 ÷ 328 = 1.3414634146341464
1.3414634146341464 x 100 = 134.15%