-45.81% is the change from 620 to 336
Calculation steps:
[( 336 - 620 ) ÷ 620] x 100 = -45.81%
Formula
Percentage change = [(336 - 620) / 620] x 100
Subtract the new number by the original number
336 - 620 = -284
-284 ÷ 620 = -0.45806451612903226
-0.45806451612903226 x 100 = -45.81%