-5.66% is the change from 689 to 650
Calculation steps:
[( 650 - 689 ) ÷ 689] x 100 = -5.66%
Formula
Percentage change = [(650 - 689) / 689] x 100
Subtract the new number by the original number
650 - 689 = -39
-39 ÷ 689 = -0.05660377358490566
-0.05660377358490566 x 100 = -5.66%