134.4% is the change from 343 to 804
Calculation steps:
[( 804 - 343 ) ÷ 343] x 100 = 134.4%
Formula
Percentage change = [(804 - 343) / 343] x 100
Subtract the new number by the original number
804 - 343 = 461
461 ÷ 343 = 1.3440233236151604
1.3440233236151604 x 100 = 134.4%