-21.27% is the change from 973 to 766
Calculation steps:
[( 766 - 973 ) ÷ 973] x 100 = -21.27%
Formula
Percentage change = [(766 - 973) / 973] x 100
Subtract the new number by the original number
766 - 973 = -207
-207 ÷ 973 = -0.21274409044193218
-0.21274409044193218 x 100 = -21.27%