2650% is the change from 30 to 825
Calculation steps:
[( 825 - 30 ) ÷ 30] x 100 = 2650%
Formula
Percentage change = [(825 - 30) / 30] x 100
Subtract the new number by the original number
825 - 30 = 795
795 ÷ 30 = 26.5
26.5 x 100 = 2650%
Example