137.65% is the change from 324 to 770
Calculation steps:
[( 770 - 324 ) ÷ 324] x 100 = 137.65%
Formula
Percentage change = [(770 - 324) / 324] x 100
Subtract the new number by the original number
770 - 324 = 446
446 ÷ 324 = 1.376543209876543
1.376543209876543 x 100 = 137.65%