-59.36% is the change from 689 to 280
Calculation steps:
[( 280 - 689 ) ÷ 689] x 100 = -59.36%
Formula
Percentage change = [(280 - 689) / 689] x 100
Subtract the new number by the original number
280 - 689 = -409
-409 ÷ 689 = -0.5936139332365747
-0.5936139332365747 x 100 = -59.36%