-68.85% is the change from 899 to 280
Calculation steps:
[( 280 - 899 ) ÷ 899] x 100 = -68.85%
Formula
Percentage change = [(280 - 899) / 899] x 100
Subtract the new number by the original number
280 - 899 = -619
-619 ÷ 899 = -0.6885428253615128
-0.6885428253615128 x 100 = -68.85%