93.13% is the change from 320 to 618
Calculation steps:
[( 618 - 320 ) ÷ 320] x 100 = 93.13%
Formula
Percentage change = [(618 - 320) / 320] x 100
Subtract the new number by the original number
618 - 320 = 298
298 ÷ 320 = 0.93125
0.93125 x 100 = 93.13%