-71.94% is the change from 506 to 142
Calculation steps:
[( 142 - 506 ) ÷ 506] x 100 = -71.94%
Formula
Percentage change = [(142 - 506) / 506] x 100
Subtract the new number by the original number
142 - 506 = -364
-364 ÷ 506 = -0.7193675889328063
-0.7193675889328063 x 100 = -71.94%