4700% is the change from 18 to 864
Calculation steps:
[( 864 - 18 ) ÷ 18] x 100 = 4700%
Formula
Percentage change = [(864 - 18) / 18] x 100
Subtract the new number by the original number
864 - 18 = 846
846 ÷ 18 = 47
47 x 100 = 4700%
Example