101.18% is the change from 338 to 680
Calculation steps:
[( 680 - 338 ) ÷ 338] x 100 = 101.18%
Formula
Percentage change = [(680 - 338) / 338] x 100
Subtract the new number by the original number
680 - 338 = 342
342 ÷ 338 = 1.0118343195266273
1.0118343195266273 x 100 = 101.18%