254.98% is the change from 251 to 891
Calculation steps:
[( 891 - 251 ) ÷ 251] x 100 = 254.98%
Formula
Percentage change = [(891 - 251) / 251] x 100
Subtract the new number by the original number
891 - 251 = 640
640 ÷ 251 = 2.549800796812749
2.549800796812749 x 100 = 254.98%