-58.32% is the change from 643 to 268
Calculation steps:
[( 268 - 643 ) ÷ 643] x 100 = -58.32%
Formula
Percentage change = [(268 - 643) / 643] x 100
Subtract the new number by the original number
268 - 643 = -375
-375 ÷ 643 = -0.583203732503888
-0.583203732503888 x 100 = -58.32%