677.78% is the change from 45 to 350
Calculation steps:
[( 350 - 45 ) ÷ 45] x 100 = 677.78%
Formula
Percentage change = [(350 - 45) / 45] x 100
Subtract the new number by the original number
350 - 45 = 305
305 ÷ 45 = 6.777777777777778
6.777777777777778 x 100 = 677.78%