-46.6% is the change from 648 to 346
Calculation steps:
[( 346 - 648 ) ÷ 648] x 100 = -46.6%
Formula
Percentage change = [(346 - 648) / 648] x 100
Subtract the new number by the original number
346 - 648 = -302
-302 ÷ 648 = -0.4660493827160494
-0.4660493827160494 x 100 = -46.6%