-72.74% is the change from 917 to 250
Calculation steps:
[( 250 - 917 ) ÷ 917] x 100 = -72.74%
Formula
Percentage change = [(250 - 917) / 917] x 100
Subtract the new number by the original number
250 - 917 = -667
-667 ÷ 917 = -0.7273718647764449
-0.7273718647764449 x 100 = -72.74%