-3.77% is the change from 689 to 663
Calculation steps:
[( 663 - 689 ) ÷ 689] x 100 = -3.77%
Formula
Percentage change = [(663 - 689) / 689] x 100
Subtract the new number by the original number
663 - 689 = -26
-26 ÷ 689 = -0.03773584905660377
-0.03773584905660377 x 100 = -3.77%