54.44% is the change from 259 to 400
Calculation steps:
[( 400 - 259 ) ÷ 259] x 100 = 54.44%
Formula
Percentage change = [(400 - 259) / 259] x 100
Subtract the new number by the original number
400 - 259 = 141
141 ÷ 259 = 0.5444015444015444
0.5444015444015444 x 100 = 54.44%