-3.76% is the change from 532 to 512
Calculation steps:
[( 512 - 532 ) ÷ 532] x 100 = -3.76%
Formula
Percentage change = [(512 - 532) / 532] x 100
Subtract the new number by the original number
512 - 532 = -20
-20 ÷ 532 = -0.03759398496240601
-0.03759398496240601 x 100 = -3.76%