-70.92% is the change from 980 to 285
Calculation steps:
[( 285 - 980 ) ÷ 980] x 100 = -70.92%
Formula
Percentage change = [(285 - 980) / 980] x 100
Subtract the new number by the original number
285 - 980 = -695
-695 ÷ 980 = -0.7091836734693877
-0.7091836734693877 x 100 = -70.92%