-98% is the change from 848 to 17
Calculation steps:
[( 17 - 848 ) ÷ 848] x 100 = -98%
Formula
Percentage change = [(17 - 848) / 848] x 100
Subtract the new number by the original number
17 - 848 = -831
-831 ÷ 848 = -0.9799528301886793
-0.9799528301886793 x 100 = -98%