-15.82% is the change from 980 to 825
Calculation steps:
[( 825 - 980 ) ÷ 980] x 100 = -15.82%
Formula
Percentage change = [(825 - 980) / 980] x 100
Subtract the new number by the original number
825 - 980 = -155
-155 ÷ 980 = -0.15816326530612246
-0.15816326530612246 x 100 = -15.82%