-77.6% is the change from 817 to 183
Calculation steps:
[( 183 - 817 ) ÷ 817] x 100 = -77.6%
Formula
Percentage change = [(183 - 817) / 817] x 100
Subtract the new number by the original number
183 - 817 = -634
-634 ÷ 817 = -0.7760097919216646
-0.7760097919216646 x 100 = -77.6%