-65.63% is the change from 579 to 199
Calculation steps:
[( 199 - 579 ) ÷ 579] x 100 = -65.63%
Formula
Percentage change = [(199 - 579) / 579] x 100
Subtract the new number by the original number
199 - 579 = -380
-380 ÷ 579 = -0.6563039723661486
-0.6563039723661486 x 100 = -65.63%