-83.41% is the change from 669 to 111
Calculation steps:
[( 111 - 669 ) ÷ 669] x 100 = -83.41%
Formula
Percentage change = [(111 - 669) / 669] x 100
Subtract the new number by the original number
111 - 669 = -558
-558 ÷ 669 = -0.8340807174887892
-0.8340807174887892 x 100 = -83.41%