289.96% is the change from 249 to 971
Calculation steps:
[( 971 - 249 ) ÷ 249] x 100 = 289.96%
Formula
Percentage change = [(971 - 249) / 249] x 100
Subtract the new number by the original number
971 - 249 = 722
722 ÷ 249 = 2.8995983935742973
2.8995983935742973 x 100 = 289.96%