3460.71% is the change from 28 to 997
Calculation steps:
[( 997 - 28 ) ÷ 28] x 100 = 3460.71%
Formula
Percentage change = [(997 - 28) / 28] x 100
Subtract the new number by the original number
997 - 28 = 969
969 ÷ 28 = 34.607142857142854
34.607142857142854 x 100 = 3460.71%