-75.03% is the change from 817 to 204
Calculation steps:
[( 204 - 817 ) ÷ 817] x 100 = -75.03%
Formula
Percentage change = [(204 - 817) / 817] x 100
Subtract the new number by the original number
204 - 817 = -613
-613 ÷ 817 = -0.7503059975520195
-0.7503059975520195 x 100 = -75.03%