-0.57% is the change from 524 to 521
Calculation steps:
[( 521 - 524 ) ÷ 524] x 100 = -0.57%
Formula
Percentage change = [(521 - 524) / 524] x 100
Subtract the new number by the original number
521 - 524 = -3
-3 ÷ 524 = -0.0057251908396946565
-0.0057251908396946565 x 100 = -0.57%