196.07% is the change from 280 to 829
Calculation steps:
[( 829 - 280 ) ÷ 280] x 100 = 196.07%
Formula
Percentage change = [(829 - 280) / 280] x 100
Subtract the new number by the original number
829 - 280 = 549
549 ÷ 280 = 1.9607142857142856
1.9607142857142856 x 100 = 196.07%