-33.07% is the change from 771 to 516
Calculation steps:
[( 516 - 771 ) ÷ 771] x 100 = -33.07%
Formula
Percentage change = [(516 - 771) / 771] x 100
Subtract the new number by the original number
516 - 771 = -255
-255 ÷ 771 = -0.33073929961089493
-0.33073929961089493 x 100 = -33.07%