-78.8% is the change from 802 to 170
Calculation steps:
[( 170 - 802 ) ÷ 802] x 100 = -78.8%
Formula
Percentage change = [(170 - 802) / 802] x 100
Subtract the new number by the original number
170 - 802 = -632
-632 ÷ 802 = -0.7880299251870324
-0.7880299251870324 x 100 = -78.8%