3003.7% is the change from 27 to 838
Calculation steps:
[( 838 - 27 ) ÷ 27] x 100 = 3003.7%
Formula
Percentage change = [(838 - 27) / 27] x 100
Subtract the new number by the original number
838 - 27 = 811
811 ÷ 27 = 30.037037037037038
30.037037037037038 x 100 = 3003.7%