373.03% is the change from 89 to 421
Calculation steps:
[( 421 - 89 ) ÷ 89] x 100 = 373.03%
Formula
Percentage change = [(421 - 89) / 89] x 100
Subtract the new number by the original number
421 - 89 = 332
332 ÷ 89 = 3.730337078651685
3.730337078651685 x 100 = 373.03%