-11.52% is the change from 512 to 453
Calculation steps:
[( 453 - 512 ) ÷ 512] x 100 = -11.52%
Formula
Percentage change = [(453 - 512) / 512] x 100
Subtract the new number by the original number
453 - 512 = -59
-59 ÷ 512 = -0.115234375
-0.115234375 x 100 = -11.52%