-53.56% is the change from 646 to 300
Calculation steps:
[( 300 - 646 ) ÷ 646] x 100 = -53.56%
Formula
Percentage change = [(300 - 646) / 646] x 100
Subtract the new number by the original number
300 - 646 = -346
-346 ÷ 646 = -0.5356037151702786
-0.5356037151702786 x 100 = -53.56%