-43.23% is the change from 643 to 365
Calculation steps:
[( 365 - 643 ) ÷ 643] x 100 = -43.23%
Formula
Percentage change = [(365 - 643) / 643] x 100
Subtract the new number by the original number
365 - 643 = -278
-278 ÷ 643 = -0.432348367029549
-0.432348367029549 x 100 = -43.23%