534.69% is the change from 49 to 311
Calculation steps:
[( 311 - 49 ) ÷ 49] x 100 = 534.69%
Formula
Percentage change = [(311 - 49) / 49] x 100
Subtract the new number by the original number
311 - 49 = 262
262 ÷ 49 = 5.346938775510204
5.346938775510204 x 100 = 534.69%