-66.5% is the change from 594 to 199
Calculation steps:
[( 199 - 594 ) ÷ 594] x 100 = -66.5%
Formula
Percentage change = [(199 - 594) / 594] x 100
Subtract the new number by the original number
199 - 594 = -395
-395 ÷ 594 = -0.664983164983165
-0.664983164983165 x 100 = -66.5%