-30.21% is the change from 778 to 543
Calculation steps:
[( 543 - 778 ) ÷ 778] x 100 = -30.21%
Formula
Percentage change = [(543 - 778) / 778] x 100
Subtract the new number by the original number
543 - 778 = -235
-235 ÷ 778 = -0.30205655526992287
-0.30205655526992287 x 100 = -30.21%