243.36% is the change from 143 to 491
Calculation steps:
[( 491 - 143 ) ÷ 143] x 100 = 243.36%
Formula
Percentage change = [(491 - 143) / 143] x 100
Subtract the new number by the original number
491 - 143 = 348
348 ÷ 143 = 2.4335664335664338
2.4335664335664338 x 100 = 243.36%