27100% is the change from 3 to 816
Calculation steps:
[( 816 - 3 ) ÷ 3] x 100 = 27100%
Formula
Percentage change = [(816 - 3) / 3] x 100
Subtract the new number by the original number
816 - 3 = 813
813 ÷ 3 = 271
271 x 100 = 27100%
Example