-74.92% is the change from 917 to 230
Calculation steps:
[( 230 - 917 ) ÷ 917] x 100 = -74.92%
Formula
Percentage change = [(230 - 917) / 917] x 100
Subtract the new number by the original number
230 - 917 = -687
-687 ÷ 917 = -0.7491821155943293
-0.7491821155943293 x 100 = -74.92%