-54.48% is the change from 747 to 340
Calculation steps:
[( 340 - 747 ) ÷ 747] x 100 = -54.48%
Formula
Percentage change = [(340 - 747) / 747] x 100
Subtract the new number by the original number
340 - 747 = -407
-407 ÷ 747 = -0.5448460508701473
-0.5448460508701473 x 100 = -54.48%