196.9% is the change from 258 to 766
Calculation steps:
[( 766 - 258 ) ÷ 258] x 100 = 196.9%
Formula
Percentage change = [(766 - 258) / 258] x 100
Subtract the new number by the original number
766 - 258 = 508
508 ÷ 258 = 1.9689922480620154
1.9689922480620154 x 100 = 196.9%