-66.4% is the change from 747 to 251
Calculation steps:
[( 251 - 747 ) ÷ 747] x 100 = -66.4%
Formula
Percentage change = [(251 - 747) / 747] x 100
Subtract the new number by the original number
251 - 747 = -496
-496 ÷ 747 = -0.6639892904953146
-0.6639892904953146 x 100 = -66.4%