2913.33% is the change from 30 to 904
Calculation steps:
[( 904 - 30 ) ÷ 30] x 100 = 2913.33%
Formula
Percentage change = [(904 - 30) / 30] x 100
Subtract the new number by the original number
904 - 30 = 874
874 ÷ 30 = 29.133333333333333
29.133333333333333 x 100 = 2913.33%