-21.08% is the change from 797 to 629
Calculation steps:
[( 629 - 797 ) ÷ 797] x 100 = -21.08%
Formula
Percentage change = [(629 - 797) / 797] x 100
Subtract the new number by the original number
629 - 797 = -168
-168 ÷ 797 = -0.2107904642409034
-0.2107904642409034 x 100 = -21.08%