-40.59% is the change from 643 to 382
Calculation steps:
[( 382 - 643 ) ÷ 643] x 100 = -40.59%
Formula
Percentage change = [(382 - 643) / 643] x 100
Subtract the new number by the original number
382 - 643 = -261
-261 ÷ 643 = -0.4059097978227061
-0.4059097978227061 x 100 = -40.59%