-36.4% is the change from 511 to 325
Calculation steps:
[( 325 - 511 ) ÷ 511] x 100 = -36.4%
Formula
Percentage change = [(325 - 511) / 511] x 100
Subtract the new number by the original number
325 - 511 = -186
-186 ÷ 511 = -0.3639921722113503
-0.3639921722113503 x 100 = -36.4%