-43.86% is the change from 643 to 361
Calculation steps:
[( 361 - 643 ) ÷ 643] x 100 = -43.86%
Formula
Percentage change = [(361 - 643) / 643] x 100
Subtract the new number by the original number
361 - 643 = -282
-282 ÷ 643 = -0.4385692068429238
-0.4385692068429238 x 100 = -43.86%