688.89% is the change from 45 to 355
Calculation steps:
[( 355 - 45 ) ÷ 45] x 100 = 688.89%
Formula
Percentage change = [(355 - 45) / 45] x 100
Subtract the new number by the original number
355 - 45 = 310
310 ÷ 45 = 6.888888888888889
6.888888888888889 x 100 = 688.89%