2980% is the change from 30 to 924
Calculation steps:
[( 924 - 30 ) ÷ 30] x 100 = 2980%
Formula
Percentage change = [(924 - 30) / 30] x 100
Subtract the new number by the original number
924 - 30 = 894
894 ÷ 30 = 29.8
29.8 x 100 = 2980%
Example