98.41% is the change from 251 to 498
Calculation steps:
[( 498 - 251 ) ÷ 251] x 100 = 98.41%
Formula
Percentage change = [(498 - 251) / 251] x 100
Subtract the new number by the original number
498 - 251 = 247
247 ÷ 251 = 0.9840637450199203
0.9840637450199203 x 100 = 98.41%