-42.15% is the change from 643 to 372
Calculation steps:
[( 372 - 643 ) ÷ 643] x 100 = -42.15%
Formula
Percentage change = [(372 - 643) / 643] x 100
Subtract the new number by the original number
372 - 643 = -271
-271 ÷ 643 = -0.4214618973561431
-0.4214618973561431 x 100 = -42.15%