152.4% is the change from 271 to 684
Calculation steps:
[( 684 - 271 ) ÷ 271] x 100 = 152.4%
Formula
Percentage change = [(684 - 271) / 271] x 100
Subtract the new number by the original number
684 - 271 = 413
413 ÷ 271 = 1.5239852398523985
1.5239852398523985 x 100 = 152.4%