-71.31% is the change from 997 to 286
Calculation steps:
[( 286 - 997 ) ÷ 997] x 100 = -71.31%
Formula
Percentage change = [(286 - 997) / 997] x 100
Subtract the new number by the original number
286 - 997 = -711
-711 ÷ 997 = -0.7131394182547643
-0.7131394182547643 x 100 = -71.31%