-69.06% is the change from 905 to 280
Calculation steps:
[( 280 - 905 ) ÷ 905] x 100 = -69.06%
Formula
Percentage change = [(280 - 905) / 905] x 100
Subtract the new number by the original number
280 - 905 = -625
-625 ÷ 905 = -0.6906077348066298
-0.6906077348066298 x 100 = -69.06%