-5.15% is the change from 641 to 608
Calculation steps:
[( 608 - 641 ) ÷ 641] x 100 = -5.15%
Formula
Percentage change = [(608 - 641) / 641] x 100
Subtract the new number by the original number
608 - 641 = -33
-33 ÷ 641 = -0.0514820592823713
-0.0514820592823713 x 100 = -5.15%