143% is the change from 100 to 243
Calculation steps:
[( 243 - 100 ) ÷ 100] x 100 = 143%
Formula
Percentage change = [(243 - 100) / 100] x 100
Subtract the new number by the original number
243 - 100 = 143
143 ÷ 100 = 1.43
1.43 x 100 = 143%
Example