197.85% is the change from 279 to 831
Calculation steps:
[( 831 - 279 ) ÷ 279] x 100 = 197.85%
Formula
Percentage change = [(831 - 279) / 279] x 100
Subtract the new number by the original number
831 - 279 = 552
552 ÷ 279 = 1.978494623655914
1.978494623655914 x 100 = 197.85%