50% is the change from 298 to 447
Calculation steps:
[( 447 - 298 ) ÷ 298] x 100 = 50%
Formula
Percentage change = [(447 - 298) / 298] x 100
Subtract the new number by the original number
447 - 298 = 149
149 ÷ 298 = 0.5
0.5 x 100 = 50%
Example