115.44% is the change from 298 to 642
Calculation steps:
[( 642 - 298 ) ÷ 298] x 100 = 115.44%
Formula
Percentage change = [(642 - 298) / 298] x 100
Subtract the new number by the original number
642 - 298 = 344
344 ÷ 298 = 1.1543624161073827
1.1543624161073827 x 100 = 115.44%