145.63% is the change from 320 to 786
Calculation steps:
[( 786 - 320 ) ÷ 320] x 100 = 145.63%
Formula
Percentage change = [(786 - 320) / 320] x 100
Subtract the new number by the original number
786 - 320 = 466
466 ÷ 320 = 1.45625
1.45625 x 100 = 145.63%