1561.54% is the change from 39 to 648
Calculation steps:
[( 648 - 39 ) ÷ 39] x 100 = 1561.54%
Formula
Percentage change = [(648 - 39) / 39] x 100
Subtract the new number by the original number
648 - 39 = 609
609 ÷ 39 = 15.615384615384615
15.615384615384615 x 100 = 1561.54%