5653.33% is the change from 15 to 863
Calculation steps:
[( 863 - 15 ) ÷ 15] x 100 = 5653.33%
Formula
Percentage change = [(863 - 15) / 15] x 100
Subtract the new number by the original number
863 - 15 = 848
848 ÷ 15 = 56.53333333333333
56.53333333333333 x 100 = 5653.33%