-83.04% is the change from 519 to 88
Calculation steps:
[( 88 - 519 ) ÷ 519] x 100 = -83.04%
Formula
Percentage change = [(88 - 519) / 519] x 100
Subtract the new number by the original number
88 - 519 = -431
-431 ÷ 519 = -0.8304431599229287
-0.8304431599229287 x 100 = -83.04%