278.87% is the change from 142 to 538
Calculation steps:
[( 538 - 142 ) ÷ 142] x 100 = 278.87%
Formula
Percentage change = [(538 - 142) / 142] x 100
Subtract the new number by the original number
538 - 142 = 396
396 ÷ 142 = 2.788732394366197
2.788732394366197 x 100 = 278.87%