3050% is the change from 4 to 126
Calculation steps:
[( 126 - 4 ) ÷ 4] x 100 = 3050%
Formula
Percentage change = [(126 - 4) / 4] x 100
Subtract the new number by the original number
126 - 4 = 122
122 ÷ 4 = 30.5
30.5 x 100 = 3050%
Example