-59.88% is the change from 643 to 258
Calculation steps:
[( 258 - 643 ) ÷ 643] x 100 = -59.88%
Formula
Percentage change = [(258 - 643) / 643] x 100
Subtract the new number by the original number
258 - 643 = -385
-385 ÷ 643 = -0.5987558320373251
-0.5987558320373251 x 100 = -59.88%