-18.93% is the change from 507 to 411
Calculation steps:
[( 411 - 507 ) ÷ 507] x 100 = -18.93%
Formula
Percentage change = [(411 - 507) / 507] x 100
Subtract the new number by the original number
411 - 507 = -96
-96 ÷ 507 = -0.1893491124260355
-0.1893491124260355 x 100 = -18.93%