-20.04% is the change from 973 to 778
Calculation steps:
[( 778 - 973 ) ÷ 973] x 100 = -20.04%
Formula
Percentage change = [(778 - 973) / 973] x 100
Subtract the new number by the original number
778 - 973 = -195
-195 ÷ 973 = -0.20041109969167523
-0.20041109969167523 x 100 = -20.04%