5660% is the change from 15 to 864
Calculation steps:
[( 864 - 15 ) ÷ 15] x 100 = 5660%
Formula
Percentage change = [(864 - 15) / 15] x 100
Subtract the new number by the original number
864 - 15 = 849
849 ÷ 15 = 56.6
56.6 x 100 = 5660%
Example