-41.68% is the change from 643 to 375
Calculation steps:
[( 375 - 643 ) ÷ 643] x 100 = -41.68%
Formula
Percentage change = [(375 - 643) / 643] x 100
Subtract the new number by the original number
375 - 643 = -268
-268 ÷ 643 = -0.416796267496112
-0.416796267496112 x 100 = -41.68%