69.52% is the change from 456 to 773
Calculation steps:
[( 773 - 456 ) ÷ 456] x 100 = 69.52%
Formula
Percentage change = [(773 - 456) / 456] x 100
Subtract the new number by the original number
773 - 456 = 317
317 ÷ 456 = 0.6951754385964912
0.6951754385964912 x 100 = 69.52%