1860.71% is the change from 28 to 549
Calculation steps:
[( 549 - 28 ) ÷ 28] x 100 = 1860.71%
Formula
Percentage change = [(549 - 28) / 28] x 100
Subtract the new number by the original number
549 - 28 = 521
521 ÷ 28 = 18.607142857142858
18.607142857142858 x 100 = 1860.71%