-83.63% is the change from 678 to 111
Calculation steps:
[( 111 - 678 ) ÷ 678] x 100 = -83.63%
Formula
Percentage change = [(111 - 678) / 678] x 100
Subtract the new number by the original number
111 - 678 = -567
-567 ÷ 678 = -0.8362831858407079
-0.8362831858407079 x 100 = -83.63%