-69.08% is the change from 899 to 278
Calculation steps:
[( 278 - 899 ) ÷ 899] x 100 = -69.08%
Formula
Percentage change = [(278 - 899) / 899] x 100
Subtract the new number by the original number
278 - 899 = -621
-621 ÷ 899 = -0.6907675194660734
-0.6907675194660734 x 100 = -69.08%