97.04% is the change from 338 to 666
Calculation steps:
[( 666 - 338 ) ÷ 338] x 100 = 97.04%
Formula
Percentage change = [(666 - 338) / 338] x 100
Subtract the new number by the original number
666 - 338 = 328
328 ÷ 338 = 0.9704142011834319
0.9704142011834319 x 100 = 97.04%