-6.91% is the change from 680 to 633
Calculation steps:
[( 633 - 680 ) ÷ 680] x 100 = -6.91%
Formula
Percentage change = [(633 - 680) / 680] x 100
Subtract the new number by the original number
633 - 680 = -47
-47 ÷ 680 = -0.06911764705882353
-0.06911764705882353 x 100 = -6.91%