-5.1% is the change from 647 to 614
Calculation steps:
[( 614 - 647 ) ÷ 647] x 100 = -5.1%
Formula
Percentage change = [(614 - 647) / 647] x 100
Subtract the new number by the original number
614 - 647 = -33
-33 ÷ 647 = -0.05100463678516229
-0.05100463678516229 x 100 = -5.1%