-98.15% is the change from 975 to 18
Calculation steps:
[( 18 - 975 ) ÷ 975] x 100 = -98.15%
Formula
Percentage change = [(18 - 975) / 975] x 100
Subtract the new number by the original number
18 - 975 = -957
-957 ÷ 975 = -0.9815384615384616
-0.9815384615384616 x 100 = -98.15%