-74.36% is the change from 971 to 249
Calculation steps:
[( 249 - 971 ) ÷ 971] x 100 = -74.36%
Formula
Percentage change = [(249 - 971) / 971] x 100
Subtract the new number by the original number
249 - 971 = -722
-722 ÷ 971 = -0.7435633367662204
-0.7435633367662204 x 100 = -74.36%