250.79% is the change from 254 to 891
Calculation steps:
[( 891 - 254 ) ÷ 254] x 100 = 250.79%
Formula
Percentage change = [(891 - 254) / 254] x 100
Subtract the new number by the original number
891 - 254 = 637
637 ÷ 254 = 2.5078740157480315
2.5078740157480315 x 100 = 250.79%