278.49% is the change from 251 to 950
Calculation steps:
[( 950 - 251 ) ÷ 251] x 100 = 278.49%
Formula
Percentage change = [(950 - 251) / 251] x 100
Subtract the new number by the original number
950 - 251 = 699
699 ÷ 251 = 2.7848605577689245
2.7848605577689245 x 100 = 278.49%