-82.84% is the change from 641 to 110
Calculation steps:
[( 110 - 641 ) ÷ 641] x 100 = -82.84%
Formula
Percentage change = [(110 - 641) / 641] x 100
Subtract the new number by the original number
110 - 641 = -531
-531 ÷ 641 = -0.828393135725429
-0.828393135725429 x 100 = -82.84%