764.44% is the change from 45 to 389
Calculation steps:
[( 389 - 45 ) ÷ 45] x 100 = 764.44%
Formula
Percentage change = [(389 - 45) / 45] x 100
Subtract the new number by the original number
389 - 45 = 344
344 ÷ 45 = 7.644444444444445
7.644444444444445 x 100 = 764.44%