-48.31% is the change from 650 to 336
Calculation steps:
[( 336 - 650 ) ÷ 650] x 100 = -48.31%
Formula
Percentage change = [(336 - 650) / 650] x 100
Subtract the new number by the original number
336 - 650 = -314
-314 ÷ 650 = -0.48307692307692307
-0.48307692307692307 x 100 = -48.31%