-7.35% is the change from 694 to 643
Calculation steps:
[( 643 - 694 ) ÷ 694] x 100 = -7.35%
Formula
Percentage change = [(643 - 694) / 694] x 100
Subtract the new number by the original number
643 - 694 = -51
-51 ÷ 694 = -0.07348703170028818
-0.07348703170028818 x 100 = -7.35%