2993.33% is the change from 30 to 928
Calculation steps:
[( 928 - 30 ) ÷ 30] x 100 = 2993.33%
Formula
Percentage change = [(928 - 30) / 30] x 100
Subtract the new number by the original number
928 - 30 = 898
898 ÷ 30 = 29.933333333333334
29.933333333333334 x 100 = 2993.33%