-5.92% is the change from 507 to 477
Calculation steps:
[( 477 - 507 ) ÷ 507] x 100 = -5.92%
Formula
Percentage change = [(477 - 507) / 507] x 100
Subtract the new number by the original number
477 - 507 = -30
-30 ÷ 507 = -0.05917159763313609
-0.05917159763313609 x 100 = -5.92%