-73.24% is the change from 938 to 251
Calculation steps:
[( 251 - 938 ) ÷ 938] x 100 = -73.24%
Formula
Percentage change = [(251 - 938) / 938] x 100
Subtract the new number by the original number
251 - 938 = -687
-687 ÷ 938 = -0.732409381663113
-0.732409381663113 x 100 = -73.24%