-78.6% is the change from 827 to 177
Calculation steps:
[( 177 - 827 ) ÷ 827] x 100 = -78.6%
Formula
Percentage change = [(177 - 827) / 827] x 100
Subtract the new number by the original number
177 - 827 = -650
-650 ÷ 827 = -0.7859733978234583
-0.7859733978234583 x 100 = -78.6%