1368.89% is the change from 45 to 661
Calculation steps:
[( 661 - 45 ) ÷ 45] x 100 = 1368.89%
Formula
Percentage change = [(661 - 45) / 45] x 100
Subtract the new number by the original number
661 - 45 = 616
616 ÷ 45 = 13.688888888888888
13.688888888888888 x 100 = 1368.89%