-3.95% is the change from 532 to 511
Calculation steps:
[( 511 - 532 ) ÷ 532] x 100 = -3.95%
Formula
Percentage change = [(511 - 532) / 532] x 100
Subtract the new number by the original number
511 - 532 = -21
-21 ÷ 532 = -0.039473684210526314
-0.039473684210526314 x 100 = -3.95%