-8.47% is the change from 980 to 897
Calculation steps:
[( 897 - 980 ) ÷ 980] x 100 = -8.47%
Formula
Percentage change = [(897 - 980) / 980] x 100
Subtract the new number by the original number
897 - 980 = -83
-83 ÷ 980 = -0.08469387755102041
-0.08469387755102041 x 100 = -8.47%