310% is the change from 170 to 697
Calculation steps:
[( 697 - 170 ) ÷ 170] x 100 = 310%
Formula
Percentage change = [(697 - 170) / 170] x 100
Subtract the new number by the original number
697 - 170 = 527
527 ÷ 170 = 3.1
3.1 x 100 = 310%
Example