-74.73% is the change from 910 to 230
Calculation steps:
[( 230 - 910 ) ÷ 910] x 100 = -74.73%
Formula
Percentage change = [(230 - 910) / 910] x 100
Subtract the new number by the original number
230 - 910 = -680
-680 ÷ 910 = -0.7472527472527473
-0.7472527472527473 x 100 = -74.73%