-75.52% is the change from 817 to 200
Calculation steps:
[( 200 - 817 ) ÷ 817] x 100 = -75.52%
Formula
Percentage change = [(200 - 817) / 817] x 100
Subtract the new number by the original number
200 - 817 = -617
-617 ÷ 817 = -0.7552019583843329
-0.7552019583843329 x 100 = -75.52%