146.25% is the change from 320 to 788
Calculation steps:
[( 788 - 320 ) ÷ 320] x 100 = 146.25%
Formula
Percentage change = [(788 - 320) / 320] x 100
Subtract the new number by the original number
788 - 320 = 468
468 ÷ 320 = 1.4625
1.4625 x 100 = 146.25%