-4.27% is the change from 679 to 650
Calculation steps:
[( 650 - 679 ) ÷ 679] x 100 = -4.27%
Formula
Percentage change = [(650 - 679) / 679] x 100
Subtract the new number by the original number
650 - 679 = -29
-29 ÷ 679 = -0.042709867452135494
-0.042709867452135494 x 100 = -4.27%