107.81% is the change from 320 to 665
Calculation steps:
[( 665 - 320 ) ÷ 320] x 100 = 107.81%
Formula
Percentage change = [(665 - 320) / 320] x 100
Subtract the new number by the original number
665 - 320 = 345
345 ÷ 320 = 1.078125
1.078125 x 100 = 107.81%