80.61% is the change from 428 to 773
Calculation steps:
[( 773 - 428 ) ÷ 428] x 100 = 80.61%
Formula
Percentage change = [(773 - 428) / 428] x 100
Subtract the new number by the original number
773 - 428 = 345
345 ÷ 428 = 0.8060747663551402
0.8060747663551402 x 100 = 80.61%