-2.07% is the change from 532 to 521
Calculation steps:
[( 521 - 532 ) ÷ 532] x 100 = -2.07%
Formula
Percentage change = [(521 - 532) / 532] x 100
Subtract the new number by the original number
521 - 532 = -11
-11 ÷ 532 = -0.020676691729323307
-0.020676691729323307 x 100 = -2.07%