470.25% is the change from 121 to 690
Calculation steps:
[( 690 - 121 ) ÷ 121] x 100 = 470.25%
Formula
Percentage change = [(690 - 121) / 121] x 100
Subtract the new number by the original number
690 - 121 = 569
569 ÷ 121 = 4.702479338842975
4.702479338842975 x 100 = 470.25%