-71.08% is the change from 899 to 260
Calculation steps:
[( 260 - 899 ) ÷ 899] x 100 = -71.08%
Formula
Percentage change = [(260 - 899) / 899] x 100
Subtract the new number by the original number
260 - 899 = -639
-639 ÷ 899 = -0.710789766407119
-0.710789766407119 x 100 = -71.08%