2210% is the change from 30 to 693
Calculation steps:
[( 693 - 30 ) ÷ 30] x 100 = 2210%
Formula
Percentage change = [(693 - 30) / 30] x 100
Subtract the new number by the original number
693 - 30 = 663
663 ÷ 30 = 22.1
22.1 x 100 = 2210%
Example