-77.84% is the change from 501 to 111
Calculation steps:
[( 111 - 501 ) ÷ 501] x 100 = -77.84%
Formula
Percentage change = [(111 - 501) / 501] x 100
Subtract the new number by the original number
111 - 501 = -390
-390 ÷ 501 = -0.7784431137724551
-0.7784431137724551 x 100 = -77.84%