-66.44% is the change from 748 to 251
Calculation steps:
[( 251 - 748 ) ÷ 748] x 100 = -66.44%
Formula
Percentage change = [(251 - 748) / 748] x 100
Subtract the new number by the original number
251 - 748 = -497
-497 ÷ 748 = -0.6644385026737968
-0.6644385026737968 x 100 = -66.44%