93.28% is the change from 268 to 518
Calculation steps:
[( 518 - 268 ) ÷ 268] x 100 = 93.28%
Formula
Percentage change = [(518 - 268) / 268] x 100
Subtract the new number by the original number
518 - 268 = 250
250 ÷ 268 = 0.9328358208955224
0.9328358208955224 x 100 = 93.28%