1611.11% is the change from 45 to 770
Calculation steps:
[( 770 - 45 ) ÷ 45] x 100 = 1611.11%
Formula
Percentage change = [(770 - 45) / 45] x 100
Subtract the new number by the original number
770 - 45 = 725
725 ÷ 45 = 16.11111111111111
16.11111111111111 x 100 = 1611.11%