37.6% is the change from 258 to 355
Calculation steps:
[( 355 - 258 ) ÷ 258] x 100 = 37.6%
Formula
Percentage change = [(355 - 258) / 258] x 100
Subtract the new number by the original number
355 - 258 = 97
97 ÷ 258 = 0.375968992248062
0.375968992248062 x 100 = 37.6%