242.95% is the change from 149 to 511
Calculation steps:
[( 511 - 149 ) ÷ 149] x 100 = 242.95%
Formula
Percentage change = [(511 - 149) / 149] x 100
Subtract the new number by the original number
511 - 149 = 362
362 ÷ 149 = 2.4295302013422817
2.4295302013422817 x 100 = 242.95%