435.54% is the change from 121 to 648
Calculation steps:
[( 648 - 121 ) ÷ 121] x 100 = 435.54%
Formula
Percentage change = [(648 - 121) / 121] x 100
Subtract the new number by the original number
648 - 121 = 527
527 ÷ 121 = 4.355371900826446
4.355371900826446 x 100 = 435.54%