-71.85% is the change from 508 to 143
Calculation steps:
[( 143 - 508 ) ÷ 508] x 100 = -71.85%
Formula
Percentage change = [(143 - 508) / 508] x 100
Subtract the new number by the original number
143 - 508 = -365
-365 ÷ 508 = -0.718503937007874
-0.718503937007874 x 100 = -71.85%