-4.01% is the change from 674 to 647
Calculation steps:
[( 647 - 674 ) ÷ 674] x 100 = -4.01%
Formula
Percentage change = [(647 - 674) / 674] x 100
Subtract the new number by the original number
647 - 674 = -27
-27 ÷ 674 = -0.040059347181008904
-0.040059347181008904 x 100 = -4.01%