377.27% is the change from 88 to 420
Calculation steps:
[( 420 - 88 ) ÷ 88] x 100 = 377.27%
Formula
Percentage change = [(420 - 88) / 88] x 100
Subtract the new number by the original number
420 - 88 = 332
332 ÷ 88 = 3.772727272727273
3.772727272727273 x 100 = 377.27%