1551.61% is the change from 31 to 512
Calculation steps:
[( 512 - 31 ) ÷ 31] x 100 = 1551.61%
Formula
Percentage change = [(512 - 31) / 31] x 100
Subtract the new number by the original number
512 - 31 = 481
481 ÷ 31 = 15.516129032258064
15.516129032258064 x 100 = 1551.61%