-97.83% is the change from 783 to 17
Calculation steps:
[( 17 - 783 ) ÷ 783] x 100 = -97.83%
Formula
Percentage change = [(17 - 783) / 783] x 100
Subtract the new number by the original number
17 - 783 = -766
-766 ÷ 783 = -0.9782886334610472
-0.9782886334610472 x 100 = -97.83%