-72.87% is the change from 505 to 137
Calculation steps:
[( 137 - 505 ) ÷ 505] x 100 = -72.87%
Formula
Percentage change = [(137 - 505) / 505] x 100
Subtract the new number by the original number
137 - 505 = -368
-368 ÷ 505 = -0.7287128712871287
-0.7287128712871287 x 100 = -72.87%