150.39% is the change from 258 to 646
Calculation steps:
[( 646 - 258 ) ÷ 258] x 100 = 150.39%
Formula
Percentage change = [(646 - 258) / 258] x 100
Subtract the new number by the original number
646 - 258 = 388
388 ÷ 258 = 1.503875968992248
1.503875968992248 x 100 = 150.39%