-71.09% is the change from 505 to 146
Calculation steps:
[( 146 - 505 ) ÷ 505] x 100 = -71.09%
Formula
Percentage change = [(146 - 505) / 505] x 100
Subtract the new number by the original number
146 - 505 = -359
-359 ÷ 505 = -0.7108910891089109
-0.7108910891089109 x 100 = -71.09%