96.51% is the change from 258 to 507
Calculation steps:
[( 507 - 258 ) ÷ 258] x 100 = 96.51%
Formula
Percentage change = [(507 - 258) / 258] x 100
Subtract the new number by the original number
507 - 258 = 249
249 ÷ 258 = 0.9651162790697675
0.9651162790697675 x 100 = 96.51%