68.12% is the change from 458 to 770
Calculation steps:
[( 770 - 458 ) ÷ 458] x 100 = 68.12%
Formula
Percentage change = [(770 - 458) / 458] x 100
Subtract the new number by the original number
770 - 458 = 312
312 ÷ 458 = 0.6812227074235808
0.6812227074235808 x 100 = 68.12%