473.24% is the change from 142 to 814
Calculation steps:
[( 814 - 142 ) ÷ 142] x 100 = 473.24%
Formula
Percentage change = [(814 - 142) / 142] x 100
Subtract the new number by the original number
814 - 142 = 672
672 ÷ 142 = 4.732394366197183
4.732394366197183 x 100 = 473.24%