-94.39% is the change from 980 to 55
Calculation steps:
[( 55 - 980 ) ÷ 980] x 100 = -94.39%
Formula
Percentage change = [(55 - 980) / 980] x 100
Subtract the new number by the original number
55 - 980 = -925
-925 ÷ 980 = -0.9438775510204082
-0.9438775510204082 x 100 = -94.39%