2125% is the change from 4 to 89
Calculation steps:
[( 89 - 4 ) ÷ 4] x 100 = 2125%
Formula
Percentage change = [(89 - 4) / 4] x 100
Subtract the new number by the original number
89 - 4 = 85
85 ÷ 4 = 21.25
21.25 x 100 = 2125%
Example