253.74% is the change from 147 to 520
Calculation steps:
[( 520 - 147 ) ÷ 147] x 100 = 253.74%
Formula
Percentage change = [(520 - 147) / 147] x 100
Subtract the new number by the original number
520 - 147 = 373
373 ÷ 147 = 2.5374149659863945
2.5374149659863945 x 100 = 253.74%