79.77% is the change from 257 to 462
Calculation steps:
[( 462 - 257 ) ÷ 257] x 100 = 79.77%
Formula
Percentage change = [(462 - 257) / 257] x 100
Subtract the new number by the original number
462 - 257 = 205
205 ÷ 257 = 0.7976653696498055
0.7976653696498055 x 100 = 79.77%