276.65% is the change from 257 to 968
Calculation steps:
[( 968 - 257 ) ÷ 257] x 100 = 276.65%
Formula
Percentage change = [(968 - 257) / 257] x 100
Subtract the new number by the original number
968 - 257 = 711
711 ÷ 257 = 2.7665369649805447
2.7665369649805447 x 100 = 276.65%