55.04% is the change from 258 to 400
Calculation steps:
[( 400 - 258 ) ÷ 258] x 100 = 55.04%
Formula
Percentage change = [(400 - 258) / 258] x 100
Subtract the new number by the original number
400 - 258 = 142
142 ÷ 258 = 0.5503875968992248
0.5503875968992248 x 100 = 55.04%