2080% is the change from 30 to 654
Calculation steps:
[( 654 - 30 ) ÷ 30] x 100 = 2080%
Formula
Percentage change = [(654 - 30) / 30] x 100
Subtract the new number by the original number
654 - 30 = 624
624 ÷ 30 = 20.8
20.8 x 100 = 2080%
Example