-21.35% is the change from 768 to 604
Calculation steps:
[( 604 - 768 ) ÷ 768] x 100 = -21.35%
Formula
Percentage change = [(604 - 768) / 768] x 100
Subtract the new number by the original number
604 - 768 = -164
-164 ÷ 768 = -0.21354166666666666
-0.21354166666666666 x 100 = -21.35%