-33.85% is the change from 780 to 516
Calculation steps:
[( 516 - 780 ) ÷ 780] x 100 = -33.85%
Formula
Percentage change = [(516 - 780) / 780] x 100
Subtract the new number by the original number
516 - 780 = -264
-264 ÷ 780 = -0.3384615384615385
-0.3384615384615385 x 100 = -33.85%