141.72% is the change from 338 to 817
Calculation steps:
[( 817 - 338 ) ÷ 338] x 100 = 141.72%
Formula
Percentage change = [(817 - 338) / 338] x 100
Subtract the new number by the original number
817 - 338 = 479
479 ÷ 338 = 1.4171597633136095
1.4171597633136095 x 100 = 141.72%