6540% is the change from 15 to 996
Calculation steps:
[( 996 - 15 ) ÷ 15] x 100 = 6540%
Formula
Percentage change = [(996 - 15) / 15] x 100
Subtract the new number by the original number
996 - 15 = 981
981 ÷ 15 = 65.4
65.4 x 100 = 6540%
Example