6460% is the change from 15 to 984
Calculation steps:
[( 984 - 15 ) ÷ 15] x 100 = 6460%
Formula
Percentage change = [(984 - 15) / 15] x 100
Subtract the new number by the original number
984 - 15 = 969
969 ÷ 15 = 64.6
64.6 x 100 = 6460%
Example