-3.98% is the change from 778 to 747
Calculation steps:
[( 747 - 778 ) ÷ 778] x 100 = -3.98%
Formula
Percentage change = [(747 - 778) / 778] x 100
Subtract the new number by the original number
747 - 778 = -31
-31 ÷ 778 = -0.03984575835475578
-0.03984575835475578 x 100 = -3.98%