1278.95% is the change from 38 to 524
Calculation steps:
[( 524 - 38 ) ÷ 38] x 100 = 1278.95%
Formula
Percentage change = [(524 - 38) / 38] x 100
Subtract the new number by the original number
524 - 38 = 486
486 ÷ 38 = 12.789473684210526
12.789473684210526 x 100 = 1278.95%