1711.11% is the change from 45 to 815
Calculation steps:
[( 815 - 45 ) ÷ 45] x 100 = 1711.11%
Formula
Percentage change = [(815 - 45) / 45] x 100
Subtract the new number by the original number
815 - 45 = 770
770 ÷ 45 = 17.11111111111111
17.11111111111111 x 100 = 1711.11%