-82.89% is the change from 643 to 110
Calculation steps:
[( 110 - 643 ) ÷ 643] x 100 = -82.89%
Formula
Percentage change = [(110 - 643) / 643] x 100
Subtract the new number by the original number
110 - 643 = -533
-533 ÷ 643 = -0.8289269051321928
-0.8289269051321928 x 100 = -82.89%