-71.93% is the change from 880 to 247
Calculation steps:
[( 247 - 880 ) ÷ 880] x 100 = -71.93%
Formula
Percentage change = [(247 - 880) / 880] x 100
Subtract the new number by the original number
247 - 880 = -633
-633 ÷ 880 = -0.7193181818181819
-0.7193181818181819 x 100 = -71.93%