-54.72% is the change from 519 to 235
Calculation steps:
[( 235 - 519 ) ÷ 519] x 100 = -54.72%
Formula
Percentage change = [(235 - 519) / 519] x 100
Subtract the new number by the original number
235 - 519 = -284
-284 ÷ 519 = -0.5472061657032755
-0.5472061657032755 x 100 = -54.72%