-97.24% is the change from 980 to 27
Calculation steps:
[( 27 - 980 ) ÷ 980] x 100 = -97.24%
Formula
Percentage change = [(27 - 980) / 980] x 100
Subtract the new number by the original number
27 - 980 = -953
-953 ÷ 980 = -0.9724489795918367
-0.9724489795918367 x 100 = -97.24%