-66.61% is the change from 596 to 199
Calculation steps:
[( 199 - 596 ) ÷ 596] x 100 = -66.61%
Formula
Percentage change = [(199 - 596) / 596] x 100
Subtract the new number by the original number
199 - 596 = -397
-397 ÷ 596 = -0.6661073825503355
-0.6661073825503355 x 100 = -66.61%