98.43% is the change from 254 to 504
Calculation steps:
[( 504 - 254 ) ÷ 254] x 100 = 98.43%
Formula
Percentage change = [(504 - 254) / 254] x 100
Subtract the new number by the original number
504 - 254 = 250
250 ÷ 254 = 0.984251968503937
0.984251968503937 x 100 = 98.43%