-52.86% is the change from 507 to 239
Calculation steps:
[( 239 - 507 ) ÷ 507] x 100 = -52.86%
Formula
Percentage change = [(239 - 507) / 507] x 100
Subtract the new number by the original number
239 - 507 = -268
-268 ÷ 507 = -0.5285996055226825
-0.5285996055226825 x 100 = -52.86%