2303.57% is the change from 28 to 673
Calculation steps:
[( 673 - 28 ) ÷ 28] x 100 = 2303.57%
Formula
Percentage change = [(673 - 28) / 28] x 100
Subtract the new number by the original number
673 - 28 = 645
645 ÷ 28 = 23.035714285714285
23.035714285714285 x 100 = 2303.57%