115.68% is the change from 421 to 908
Calculation steps:
[( 908 - 421 ) ÷ 421] x 100 = 115.68%
Formula
Percentage change = [(908 - 421) / 421] x 100
Subtract the new number by the original number
908 - 421 = 487
487 ÷ 421 = 1.156769596199525
1.156769596199525 x 100 = 115.68%