299.04% is the change from 209 to 834
Calculation steps:
[( 834 - 209 ) ÷ 209] x 100 = 299.04%
Formula
Percentage change = [(834 - 209) / 209] x 100
Subtract the new number by the original number
834 - 209 = 625
625 ÷ 209 = 2.9904306220095696
2.9904306220095696 x 100 = 299.04%