-89.74% is the change from 507 to 52
Calculation steps:
[( 52 - 507 ) ÷ 507] x 100 = -89.74%
Formula
Percentage change = [(52 - 507) / 507] x 100
Subtract the new number by the original number
52 - 507 = -455
-455 ÷ 507 = -0.8974358974358975
-0.8974358974358975 x 100 = -89.74%