-25.71% is the change from 848 to 630
Calculation steps:
[( 630 - 848 ) ÷ 848] x 100 = -25.71%
Formula
Percentage change = [(630 - 848) / 848] x 100
Subtract the new number by the original number
630 - 848 = -218
-218 ÷ 848 = -0.25707547169811323
-0.25707547169811323 x 100 = -25.71%