-0.31% is the change from 652 to 650
Calculation steps:
[( 650 - 652 ) ÷ 652] x 100 = -0.31%
Formula
Percentage change = [(650 - 652) / 652] x 100
Subtract the new number by the original number
650 - 652 = -2
-2 ÷ 652 = -0.003067484662576687
-0.003067484662576687 x 100 = -0.31%