-85.8% is the change from 507 to 72
Calculation steps:
[( 72 - 507 ) ÷ 507] x 100 = -85.8%
Formula
Percentage change = [(72 - 507) / 507] x 100
Subtract the new number by the original number
72 - 507 = -435
-435 ÷ 507 = -0.8579881656804734
-0.8579881656804734 x 100 = -85.8%