-39.94% is the change from 641 to 385
Calculation steps:
[( 385 - 641 ) ÷ 641] x 100 = -39.94%
Formula
Percentage change = [(385 - 641) / 641] x 100
Subtract the new number by the original number
385 - 641 = -256
-256 ÷ 641 = -0.3993759750390016
-0.3993759750390016 x 100 = -39.94%