451.72% is the change from 116 to 640
Calculation steps:
[( 640 - 116 ) ÷ 116] x 100 = 451.72%
Formula
Percentage change = [(640 - 116) / 116] x 100
Subtract the new number by the original number
640 - 116 = 524
524 ÷ 116 = 4.517241379310345
4.517241379310345 x 100 = 451.72%