247.62% is the change from 147 to 511
Calculation steps:
[( 511 - 147 ) ÷ 147] x 100 = 247.62%
Formula
Percentage change = [(511 - 147) / 147] x 100
Subtract the new number by the original number
511 - 147 = 364
364 ÷ 147 = 2.4761904761904763
2.4761904761904763 x 100 = 247.62%