-75.84% is the change from 505 to 122
Calculation steps:
[( 122 - 505 ) ÷ 505] x 100 = -75.84%
Formula
Percentage change = [(122 - 505) / 505] x 100
Subtract the new number by the original number
122 - 505 = -383
-383 ÷ 505 = -0.7584158415841584
-0.7584158415841584 x 100 = -75.84%