-69.58% is the change from 848 to 258
Calculation steps:
[( 258 - 848 ) ÷ 848] x 100 = -69.58%
Formula
Percentage change = [(258 - 848) / 848] x 100
Subtract the new number by the original number
258 - 848 = -590
-590 ÷ 848 = -0.6957547169811321
-0.6957547169811321 x 100 = -69.58%