80.47% is the change from 338 to 610
Calculation steps:
[( 610 - 338 ) ÷ 338] x 100 = 80.47%
Formula
Percentage change = [(610 - 338) / 338] x 100
Subtract the new number by the original number
610 - 338 = 272
272 ÷ 338 = 0.8047337278106509
0.8047337278106509 x 100 = 80.47%