82.94% is the change from 340 to 622
Calculation steps:
[( 622 - 340 ) ÷ 340] x 100 = 82.94%
Formula
Percentage change = [(622 - 340) / 340] x 100
Subtract the new number by the original number
622 - 340 = 282
282 ÷ 340 = 0.8294117647058824
0.8294117647058824 x 100 = 82.94%