-82.84% is the change from 647 to 111
Calculation steps:
[( 111 - 647 ) ÷ 647] x 100 = -82.84%
Formula
Percentage change = [(111 - 647) / 647] x 100
Subtract the new number by the original number
111 - 647 = -536
-536 ÷ 647 = -0.8284389489953632
-0.8284389489953632 x 100 = -82.84%