123.4% is the change from 312 to 697
Calculation steps:
[( 697 - 312 ) ÷ 312] x 100 = 123.4%
Formula
Percentage change = [(697 - 312) / 312] x 100
Subtract the new number by the original number
697 - 312 = 385
385 ÷ 312 = 1.233974358974359
1.233974358974359 x 100 = 123.4%