-71.79% is the change from 507 to 143
Calculation steps:
[( 143 - 507 ) ÷ 507] x 100 = -71.79%
Formula
Percentage change = [(143 - 507) / 507] x 100
Subtract the new number by the original number
143 - 507 = -364
-364 ÷ 507 = -0.717948717948718
-0.717948717948718 x 100 = -71.79%