-5.11% is the change from 685 to 650
Calculation steps:
[( 650 - 685 ) ÷ 685] x 100 = -5.11%
Formula
Percentage change = [(650 - 685) / 685] x 100
Subtract the new number by the original number
650 - 685 = -35
-35 ÷ 685 = -0.051094890510948905
-0.051094890510948905 x 100 = -5.11%