270.82% is the change from 257 to 953
Calculation steps:
[( 953 - 257 ) ÷ 257] x 100 = 270.82%
Formula
Percentage change = [(953 - 257) / 257] x 100
Subtract the new number by the original number
953 - 257 = 696
696 ÷ 257 = 2.708171206225681
2.708171206225681 x 100 = 270.82%