-71.99% is the change from 507 to 142
Calculation steps:
[( 142 - 507 ) ÷ 507] x 100 = -71.99%
Formula
Percentage change = [(142 - 507) / 507] x 100
Subtract the new number by the original number
142 - 507 = -365
-365 ÷ 507 = -0.7199211045364892
-0.7199211045364892 x 100 = -71.99%