-22.7% is the change from 511 to 395
Calculation steps:
[( 395 - 511 ) ÷ 511] x 100 = -22.7%
Formula
Percentage change = [(395 - 511) / 511] x 100
Subtract the new number by the original number
395 - 511 = -116
-116 ÷ 511 = -0.22700587084148727
-0.22700587084148727 x 100 = -22.7%