256.16% is the change from 146 to 520
Calculation steps:
[( 520 - 146 ) ÷ 146] x 100 = 256.16%
Formula
Percentage change = [(520 - 146) / 146] x 100
Subtract the new number by the original number
520 - 146 = 374
374 ÷ 146 = 2.5616438356164384
2.5616438356164384 x 100 = 256.16%