-77.76% is the change from 823 to 183
Calculation steps:
[( 183 - 823 ) ÷ 823] x 100 = -77.76%
Formula
Percentage change = [(183 - 823) / 823] x 100
Subtract the new number by the original number
183 - 823 = -640
-640 ÷ 823 = -0.7776427703523694
-0.7776427703523694 x 100 = -77.76%