134.92% is the change from 421 to 989
Calculation steps:
[( 989 - 421 ) ÷ 421] x 100 = 134.92%
Formula
Percentage change = [(989 - 421) / 421] x 100
Subtract the new number by the original number
989 - 421 = 568
568 ÷ 421 = 1.3491686460807601
1.3491686460807601 x 100 = 134.92%