-12.92% is the change from 511 to 445
Calculation steps:
[( 445 - 511 ) ÷ 511] x 100 = -12.92%
Formula
Percentage change = [(445 - 511) / 511] x 100
Subtract the new number by the original number
445 - 511 = -66
-66 ÷ 511 = -0.12915851272015655
-0.12915851272015655 x 100 = -12.92%