-25.27% is the change from 843 to 630
Calculation steps:
[( 630 - 843 ) ÷ 843] x 100 = -25.27%
Formula
Percentage change = [(630 - 843) / 843] x 100
Subtract the new number by the original number
630 - 843 = -213
-213 ÷ 843 = -0.2526690391459075
-0.2526690391459075 x 100 = -25.27%