138.13% is the change from 320 to 762
Calculation steps:
[( 762 - 320 ) ÷ 320] x 100 = 138.13%
Formula
Percentage change = [(762 - 320) / 320] x 100
Subtract the new number by the original number
762 - 320 = 442
442 ÷ 320 = 1.38125
1.38125 x 100 = 138.13%