263.7% is the change from 270 to 982
Calculation steps:
[( 982 - 270 ) ÷ 270] x 100 = 263.7%
Formula
Percentage change = [(982 - 270) / 270] x 100
Subtract the new number by the original number
982 - 270 = 712
712 ÷ 270 = 2.637037037037037
2.637037037037037 x 100 = 263.7%