247.41% is the change from 270 to 938
Calculation steps:
[( 938 - 270 ) ÷ 270] x 100 = 247.41%
Formula
Percentage change = [(938 - 270) / 270] x 100
Subtract the new number by the original number
938 - 270 = 668
668 ÷ 270 = 2.474074074074074
2.474074074074074 x 100 = 247.41%