-21.17% is the change from 973 to 767
Calculation steps:
[( 767 - 973 ) ÷ 973] x 100 = -21.17%
Formula
Percentage change = [(767 - 973) / 973] x 100
Subtract the new number by the original number
767 - 973 = -206
-206 ÷ 973 = -0.2117163412127441
-0.2117163412127441 x 100 = -21.17%