-1.72% is the change from 524 to 515
Calculation steps:
[( 515 - 524 ) ÷ 524] x 100 = -1.72%
Formula
Percentage change = [(515 - 524) / 524] x 100
Subtract the new number by the original number
515 - 524 = -9
-9 ÷ 524 = -0.01717557251908397
-0.01717557251908397 x 100 = -1.72%