-78.67% is the change from 980 to 209
Calculation steps:
[( 209 - 980 ) ÷ 980] x 100 = -78.67%
Formula
Percentage change = [(209 - 980) / 980] x 100
Subtract the new number by the original number
209 - 980 = -771
-771 ÷ 980 = -0.786734693877551
-0.786734693877551 x 100 = -78.67%