-85.19% is the change from 979 to 145
Calculation steps:
[( 145 - 979 ) ÷ 979] x 100 = -85.19%
Formula
Percentage change = [(145 - 979) / 979] x 100
Subtract the new number by the original number
145 - 979 = -834
-834 ÷ 979 = -0.8518896833503575
-0.8518896833503575 x 100 = -85.19%