134.1% is the change from 346 to 810
Calculation steps:
[( 810 - 346 ) ÷ 346] x 100 = 134.1%
Formula
Percentage change = [(810 - 346) / 346] x 100
Subtract the new number by the original number
810 - 346 = 464
464 ÷ 346 = 1.3410404624277457
1.3410404624277457 x 100 = 134.1%