-55.11% is the change from 519 to 233
Calculation steps:
[( 233 - 519 ) ÷ 519] x 100 = -55.11%
Formula
Percentage change = [(233 - 519) / 519] x 100
Subtract the new number by the original number
233 - 519 = -286
-286 ÷ 519 = -0.5510597302504817
-0.5510597302504817 x 100 = -55.11%