-98.77% is the change from 979 to 12
Calculation steps:
[( 12 - 979 ) ÷ 979] x 100 = -98.77%
Formula
Percentage change = [(12 - 979) / 979] x 100
Subtract the new number by the original number
12 - 979 = -967
-967 ÷ 979 = -0.9877425944841676
-0.9877425944841676 x 100 = -98.77%