1515.38% is the change from 26 to 420
Calculation steps:
[( 420 - 26 ) ÷ 26] x 100 = 1515.38%
Formula
Percentage change = [(420 - 26) / 26] x 100
Subtract the new number by the original number
420 - 26 = 394
394 ÷ 26 = 15.153846153846153
15.153846153846153 x 100 = 1515.38%