-72.71% is the change from 905 to 247
Calculation steps:
[( 247 - 905 ) ÷ 905] x 100 = -72.71%
Formula
Percentage change = [(247 - 905) / 905] x 100
Subtract the new number by the original number
247 - 905 = -658
-658 ÷ 905 = -0.7270718232044199
-0.7270718232044199 x 100 = -72.71%