-82.58% is the change from 643 to 112
Calculation steps:
[( 112 - 643 ) ÷ 643] x 100 = -82.58%
Formula
Percentage change = [(112 - 643) / 643] x 100
Subtract the new number by the original number
112 - 643 = -531
-531 ÷ 643 = -0.8258164852255054
-0.8258164852255054 x 100 = -82.58%