1500% is the change from 54 to 864
Calculation steps:
[( 864 - 54 ) ÷ 54] x 100 = 1500%
Formula
Percentage change = [(864 - 54) / 54] x 100
Subtract the new number by the original number
864 - 54 = 810
810 ÷ 54 = 15
15 x 100 = 1500%
Example