-71.54% is the change from 506 to 144
Calculation steps:
[( 144 - 506 ) ÷ 506] x 100 = -71.54%
Formula
Percentage change = [(144 - 506) / 506] x 100
Subtract the new number by the original number
144 - 506 = -362
-362 ÷ 506 = -0.7154150197628458
-0.7154150197628458 x 100 = -71.54%