63.95% is the change from 258 to 423
Calculation steps:
[( 423 - 258 ) ÷ 258] x 100 = 63.95%
Formula
Percentage change = [(423 - 258) / 258] x 100
Subtract the new number by the original number
423 - 258 = 165
165 ÷ 258 = 0.6395348837209303
0.6395348837209303 x 100 = 63.95%