-3.24% is the change from 524 to 507
Calculation steps:
[( 507 - 524 ) ÷ 524] x 100 = -3.24%
Formula
Percentage change = [(507 - 524) / 524] x 100
Subtract the new number by the original number
507 - 524 = -17
-17 ÷ 524 = -0.03244274809160305
-0.03244274809160305 x 100 = -3.24%