114.09% is the change from 298 to 638
Calculation steps:
[( 638 - 298 ) ÷ 298] x 100 = 114.09%
Formula
Percentage change = [(638 - 298) / 298] x 100
Subtract the new number by the original number
638 - 298 = 340
340 ÷ 298 = 1.1409395973154361
1.1409395973154361 x 100 = 114.09%