1852.94% is the change from 34 to 664
Calculation steps:
[( 664 - 34 ) ÷ 34] x 100 = 1852.94%
Formula
Percentage change = [(664 - 34) / 34] x 100
Subtract the new number by the original number
664 - 34 = 630
630 ÷ 34 = 18.529411764705884
18.529411764705884 x 100 = 1852.94%