268.31% is the change from 142 to 523
Calculation steps:
[( 523 - 142 ) ÷ 142] x 100 = 268.31%
Formula
Percentage change = [(523 - 142) / 142] x 100
Subtract the new number by the original number
523 - 142 = 381
381 ÷ 142 = 2.683098591549296
2.683098591549296 x 100 = 268.31%