-76.22% is the change from 837 to 199
Calculation steps:
[( 199 - 837 ) ÷ 837] x 100 = -76.22%
Formula
Percentage change = [(199 - 837) / 837] x 100
Subtract the new number by the original number
199 - 837 = -638
-638 ÷ 837 = -0.7622461170848268
-0.7622461170848268 x 100 = -76.22%