-32.99% is the change from 770 to 516
Calculation steps:
[( 516 - 770 ) ÷ 770] x 100 = -32.99%
Formula
Percentage change = [(516 - 770) / 770] x 100
Subtract the new number by the original number
516 - 770 = -254
-254 ÷ 770 = -0.32987012987012987
-0.32987012987012987 x 100 = -32.99%