-78.47% is the change from 980 to 211
Calculation steps:
[( 211 - 980 ) ÷ 980] x 100 = -78.47%
Formula
Percentage change = [(211 - 980) / 980] x 100
Subtract the new number by the original number
211 - 980 = -769
-769 ÷ 980 = -0.7846938775510204
-0.7846938775510204 x 100 = -78.47%