246.43% is the change from 280 to 970
Calculation steps:
[( 970 - 280 ) ÷ 280] x 100 = 246.43%
Formula
Percentage change = [(970 - 280) / 280] x 100
Subtract the new number by the original number
970 - 280 = 690
690 ÷ 280 = 2.4642857142857144
2.4642857142857144 x 100 = 246.43%