2050% is the change from 2 to 43
Calculation steps:
[( 43 - 2 ) ÷ 2] x 100 = 2050%
Formula
Percentage change = [(43 - 2) / 2] x 100
Subtract the new number by the original number
43 - 2 = 41
41 ÷ 2 = 20.5
20.5 x 100 = 2050%
Example