-19.37% is the change from 511 to 412
Calculation steps:
[( 412 - 511 ) ÷ 511] x 100 = -19.37%
Formula
Percentage change = [(412 - 511) / 511] x 100
Subtract the new number by the original number
412 - 511 = -99
-99 ÷ 511 = -0.19373776908023482
-0.19373776908023482 x 100 = -19.37%