1950% is the change from 34 to 697
Calculation steps:
[( 697 - 34 ) ÷ 34] x 100 = 1950%
Formula
Percentage change = [(697 - 34) / 34] x 100
Subtract the new number by the original number
697 - 34 = 663
663 ÷ 34 = 19.5
19.5 x 100 = 1950%
Example