94.42% is the change from 251 to 488
Calculation steps:
[( 488 - 251 ) ÷ 251] x 100 = 94.42%
Formula
Percentage change = [(488 - 251) / 251] x 100
Subtract the new number by the original number
488 - 251 = 237
237 ÷ 251 = 0.9442231075697212
0.9442231075697212 x 100 = 94.42%