-87.45% is the change from 980 to 123
Calculation steps:
[( 123 - 980 ) ÷ 980] x 100 = -87.45%
Formula
Percentage change = [(123 - 980) / 980] x 100
Subtract the new number by the original number
123 - 980 = -857
-857 ÷ 980 = -0.8744897959183674
-0.8744897959183674 x 100 = -87.45%