-98% is the change from 849 to 17
Calculation steps:
[( 17 - 849 ) ÷ 849] x 100 = -98%
Formula
Percentage change = [(17 - 849) / 849] x 100
Subtract the new number by the original number
17 - 849 = -832
-832 ÷ 849 = -0.9799764428739693
-0.9799764428739693 x 100 = -98%