-33.53% is the change from 519 to 345
Calculation steps:
[( 345 - 519 ) ÷ 519] x 100 = -33.53%
Formula
Percentage change = [(345 - 519) / 519] x 100
Subtract the new number by the original number
345 - 519 = -174
-174 ÷ 519 = -0.3352601156069364
-0.3352601156069364 x 100 = -33.53%