-5.25% is the change from 686 to 650
Calculation steps:
[( 650 - 686 ) ÷ 686] x 100 = -5.25%
Formula
Percentage change = [(650 - 686) / 686] x 100
Subtract the new number by the original number
650 - 686 = -36
-36 ÷ 686 = -0.052478134110787174
-0.052478134110787174 x 100 = -5.25%