80.06% is the change from 346 to 623
Calculation steps:
[( 623 - 346 ) ÷ 346] x 100 = 80.06%
Formula
Percentage change = [(623 - 346) / 346] x 100
Subtract the new number by the original number
623 - 346 = 277
277 ÷ 346 = 0.8005780346820809
0.8005780346820809 x 100 = 80.06%