-4.21% is the change from 523 to 501
Calculation steps:
[( 501 - 523 ) ÷ 523] x 100 = -4.21%
Formula
Percentage change = [(501 - 523) / 523] x 100
Subtract the new number by the original number
501 - 523 = -22
-22 ÷ 523 = -0.04206500956022945
-0.04206500956022945 x 100 = -4.21%