-21.07% is the change from 973 to 768
Calculation steps:
[( 768 - 973 ) ÷ 973] x 100 = -21.07%
Formula
Percentage change = [(768 - 973) / 973] x 100
Subtract the new number by the original number
768 - 973 = -205
-205 ÷ 973 = -0.21068859198355602
-0.21068859198355602 x 100 = -21.07%