2793.33% is the change from 30 to 868
Calculation steps:
[( 868 - 30 ) ÷ 30] x 100 = 2793.33%
Formula
Percentage change = [(868 - 30) / 30] x 100
Subtract the new number by the original number
868 - 30 = 838
838 ÷ 30 = 27.933333333333334
27.933333333333334 x 100 = 2793.33%