-78.23% is the change from 827 to 180
Calculation steps:
[( 180 - 827 ) ÷ 827] x 100 = -78.23%
Formula
Percentage change = [(180 - 827) / 827] x 100
Subtract the new number by the original number
180 - 827 = -647
-647 ÷ 827 = -0.7823458282950423
-0.7823458282950423 x 100 = -78.23%