450% is the change from 102 to 561
Calculation steps:
[( 561 - 102 ) ÷ 102] x 100 = 450%
Formula
Percentage change = [(561 - 102) / 102] x 100
Subtract the new number by the original number
561 - 102 = 459
459 ÷ 102 = 4.5
4.5 x 100 = 450%
Example