-76.04% is the change from 505 to 121
Calculation steps:
[( 121 - 505 ) ÷ 505] x 100 = -76.04%
Formula
Percentage change = [(121 - 505) / 505] x 100
Subtract the new number by the original number
121 - 505 = -384
-384 ÷ 505 = -0.7603960396039604
-0.7603960396039604 x 100 = -76.04%