2700% is the change from 29 to 812
Calculation steps:
[( 812 - 29 ) ÷ 29] x 100 = 2700%
Formula
Percentage change = [(812 - 29) / 29] x 100
Subtract the new number by the original number
812 - 29 = 783
783 ÷ 29 = 27
27 x 100 = 2700%
Example