975% is the change from 4 to 43
Calculation steps:
[( 43 - 4 ) ÷ 4] x 100 = 975%
Formula
Percentage change = [(43 - 4) / 4] x 100
Subtract the new number by the original number
43 - 4 = 39
39 ÷ 4 = 9.75
9.75 x 100 = 975%
Example