41% is not equivalent to it.
40% = 0,4
40 percent of N = 0.4 x N
40%
40% = 2/5
To convert from percent P2O5 to percent PO4, you need to multiply by a factor of 0.4364. Therefore, 40 percent P2O5 is equivalent to approximately 17.5 percent PO4.
To convert 40% (or any percent) to a decimal divide by 100: 40% ÷ 100 = 0.4
62.5%
0.4
40% = 40/100 = 2/5 (simplified)
40% = 40/100 = 2/5
12/40 is equivalent to 0.3 which is 30%