280.23% is the change from 177 to 673
Calculation steps:
[( 673 - 177 ) ÷ 177] x 100 = 280.23%
Formula
Percentage change = [(673 - 177) / 177] x 100
Subtract the new number by the original number
673 - 177 = 496
496 ÷ 177 = 2.8022598870056497
2.8022598870056497 x 100 = 280.23%