70.54% is the change from 258 to 440
Calculation steps:
[( 440 - 258 ) ÷ 258] x 100 = 70.54%
Formula
Percentage change = [(440 - 258) / 258] x 100
Subtract the new number by the original number
440 - 258 = 182
182 ÷ 258 = 0.7054263565891473
0.7054263565891473 x 100 = 70.54%