-89.69% is the change from 980 to 101
Calculation steps:
[( 101 - 980 ) ÷ 980] x 100 = -89.69%
Formula
Percentage change = [(101 - 980) / 980] x 100
Subtract the new number by the original number
101 - 980 = -879
-879 ÷ 980 = -0.8969387755102041
-0.8969387755102041 x 100 = -89.69%