-98.78% is the change from 987 to 12
Calculation steps:
[( 12 - 987 ) ÷ 987] x 100 = -98.78%
Formula
Percentage change = [(12 - 987) / 987] x 100
Subtract the new number by the original number
12 - 987 = -975
-975 ÷ 987 = -0.9878419452887538
-0.9878419452887538 x 100 = -98.78%