-68.8% is the change from 827 to 258
Calculation steps:
[( 258 - 827 ) ÷ 827] x 100 = -68.8%
Formula
Percentage change = [(258 - 827) / 827] x 100
Subtract the new number by the original number
258 - 827 = -569
-569 ÷ 827 = -0.6880290205562273
-0.6880290205562273 x 100 = -68.8%