-80.05% is the change from 827 to 165
Calculation steps:
[( 165 - 827 ) ÷ 827] x 100 = -80.05%
Formula
Percentage change = [(165 - 827) / 827] x 100
Subtract the new number by the original number
165 - 827 = -662
-662 ÷ 827 = -0.8004836759371221
-0.8004836759371221 x 100 = -80.05%