-79.06% is the change from 511 to 107
Calculation steps:
[( 107 - 511 ) ÷ 511] x 100 = -79.06%
Formula
Percentage change = [(107 - 511) / 511] x 100
Subtract the new number by the original number
107 - 511 = -404
-404 ÷ 511 = -0.7906066536203522
-0.7906066536203522 x 100 = -79.06%