-10.65% is the change from 507 to 453
Calculation steps:
[( 453 - 507 ) ÷ 507] x 100 = -10.65%
Formula
Percentage change = [(453 - 507) / 507] x 100
Subtract the new number by the original number
453 - 507 = -54
-54 ÷ 507 = -0.10650887573964497
-0.10650887573964497 x 100 = -10.65%