6493.33% is the change from 15 to 989
Calculation steps:
[( 989 - 15 ) ÷ 15] x 100 = 6493.33%
Formula
Percentage change = [(989 - 15) / 15] x 100
Subtract the new number by the original number
989 - 15 = 974
974 ÷ 15 = 64.93333333333334
64.93333333333334 x 100 = 6493.33%