1277.78% is the change from 45 to 620
Calculation steps:
[( 620 - 45 ) ÷ 45] x 100 = 1277.78%
Formula
Percentage change = [(620 - 45) / 45] x 100
Subtract the new number by the original number
620 - 45 = 575
575 ÷ 45 = 12.777777777777779
12.777777777777779 x 100 = 1277.78%