-4.9% is the change from 674 to 641
Calculation steps:
[( 641 - 674 ) ÷ 674] x 100 = -4.9%
Formula
Percentage change = [(641 - 674) / 674] x 100
Subtract the new number by the original number
641 - 674 = -33
-33 ÷ 674 = -0.04896142433234421
-0.04896142433234421 x 100 = -4.9%