-9.04% is the change from 520 to 473
Calculation steps:
[( 473 - 520 ) ÷ 520] x 100 = -9.04%
Formula
Percentage change = [(473 - 520) / 520] x 100
Subtract the new number by the original number
473 - 520 = -47
-47 ÷ 520 = -0.09038461538461538
-0.09038461538461538 x 100 = -9.04%