-3.44% is the change from 524 to 506
Calculation steps:
[( 506 - 524 ) ÷ 524] x 100 = -3.44%
Formula
Percentage change = [(506 - 524) / 524] x 100
Subtract the new number by the original number
506 - 524 = -18
-18 ÷ 524 = -0.03435114503816794
-0.03435114503816794 x 100 = -3.44%