-78.02% is the change from 505 to 111
Calculation steps:
[( 111 - 505 ) ÷ 505] x 100 = -78.02%
Formula
Percentage change = [(111 - 505) / 505] x 100
Subtract the new number by the original number
111 - 505 = -394
-394 ÷ 505 = -0.7801980198019802
-0.7801980198019802 x 100 = -78.02%