1648.39% is the change from 31 to 542
Calculation steps:
[( 542 - 31 ) ÷ 31] x 100 = 1648.39%
Formula
Percentage change = [(542 - 31) / 31] x 100
Subtract the new number by the original number
542 - 31 = 511
511 ÷ 31 = 16.483870967741936
16.483870967741936 x 100 = 1648.39%