-75.49% is the change from 812 to 199
Calculation steps:
[( 199 - 812 ) ÷ 812] x 100 = -75.49%
Formula
Percentage change = [(199 - 812) / 812] x 100
Subtract the new number by the original number
199 - 812 = -613
-613 ÷ 812 = -0.7549261083743842
-0.7549261083743842 x 100 = -75.49%