590.48% is the change from 21 to 145
Calculation steps:
[( 145 - 21 ) ÷ 21] x 100 = 590.48%
Formula
Percentage change = [(145 - 21) / 21] x 100
Subtract the new number by the original number
145 - 21 = 124
124 ÷ 21 = 5.904761904761905
5.904761904761905 x 100 = 590.48%