107.97% is the change from 251 to 522
Calculation steps:
[( 522 - 251 ) ÷ 251] x 100 = 107.97%
Formula
Percentage change = [(522 - 251) / 251] x 100
Subtract the new number by the original number
522 - 251 = 271
271 ÷ 251 = 1.0796812749003983
1.0796812749003983 x 100 = 107.97%