-12.21% is the change from 737 to 647
Calculation steps:
[( 647 - 737 ) ÷ 737] x 100 = -12.21%
Formula
Percentage change = [(647 - 737) / 737] x 100
Subtract the new number by the original number
647 - 737 = -90
-90 ÷ 737 = -0.12211668928086838
-0.12211668928086838 x 100 = -12.21%