16075% is the change from 4 to 647
Calculation steps:
[( 647 - 4 ) ÷ 4] x 100 = 16075%
Formula
Percentage change = [(647 - 4) / 4] x 100
Subtract the new number by the original number
647 - 4 = 643
643 ÷ 4 = 160.75
160.75 x 100 = 16075%
Example