-2.48% is the change from 525 to 512
Calculation steps:
[( 512 - 525 ) ÷ 525] x 100 = -2.48%
Formula
Percentage change = [(512 - 525) / 525] x 100
Subtract the new number by the original number
512 - 525 = -13
-13 ÷ 525 = -0.024761904761904763
-0.024761904761904763 x 100 = -2.48%