68.99% is the change from 258 to 436
Calculation steps:
[( 436 - 258 ) ÷ 258] x 100 = 68.99%
Formula
Percentage change = [(436 - 258) / 258] x 100
Subtract the new number by the original number
436 - 258 = 178
178 ÷ 258 = 0.689922480620155
0.689922480620155 x 100 = 68.99%