-4.21% is the change from 641 to 614
Calculation steps:
[( 614 - 641 ) ÷ 641] x 100 = -4.21%
Formula
Percentage change = [(614 - 641) / 641] x 100
Subtract the new number by the original number
614 - 641 = -27
-27 ÷ 641 = -0.0421216848673947
-0.0421216848673947 x 100 = -4.21%