-45.34% is the change from 622 to 340
Calculation steps:
[( 340 - 622 ) ÷ 622] x 100 = -45.34%
Formula
Percentage change = [(340 - 622) / 622] x 100
Subtract the new number by the original number
340 - 622 = -282
-282 ÷ 622 = -0.4533762057877814
-0.4533762057877814 x 100 = -45.34%