50.53% is the change from 283 to 426
Calculation steps:
[( 426 - 283 ) ÷ 283] x 100 = 50.53%
Formula
Percentage change = [(426 - 283) / 283] x 100
Subtract the new number by the original number
426 - 283 = 143
143 ÷ 283 = 0.5053003533568905
0.5053003533568905 x 100 = 50.53%