-63.92% is the change from 643 to 232
Calculation steps:
[( 232 - 643 ) ÷ 643] x 100 = -63.92%
Formula
Percentage change = [(232 - 643) / 643] x 100
Subtract the new number by the original number
232 - 643 = -411
-411 ÷ 643 = -0.6391912908242613
-0.6391912908242613 x 100 = -63.92%