-20.57% is the change from 768 to 610
Calculation steps:
[( 610 - 768 ) ÷ 768] x 100 = -20.57%
Formula
Percentage change = [(610 - 768) / 768] x 100
Subtract the new number by the original number
610 - 768 = -158
-158 ÷ 768 = -0.20572916666666666
-0.20572916666666666 x 100 = -20.57%