-65.9% is the change from 519 to 177
Calculation steps:
[( 177 - 519 ) ÷ 519] x 100 = -65.9%
Formula
Percentage change = [(177 - 519) / 519] x 100
Subtract the new number by the original number
177 - 519 = -342
-342 ÷ 519 = -0.6589595375722543
-0.6589595375722543 x 100 = -65.9%