1635.48% is the change from 31 to 538
Calculation steps:
[( 538 - 31 ) ÷ 31] x 100 = 1635.48%
Formula
Percentage change = [(538 - 31) / 31] x 100
Subtract the new number by the original number
538 - 31 = 507
507 ÷ 31 = 16.35483870967742
16.35483870967742 x 100 = 1635.48%