102.66% is the change from 338 to 685
Calculation steps:
[( 685 - 338 ) ÷ 338] x 100 = 102.66%
Formula
Percentage change = [(685 - 338) / 338] x 100
Subtract the new number by the original number
685 - 338 = 347
347 ÷ 338 = 1.0266272189349113
1.0266272189349113 x 100 = 102.66%