292.66% is the change from 109 to 428
Calculation steps:
[( 428 - 109 ) ÷ 109] x 100 = 292.66%
Formula
Percentage change = [(428 - 109) / 109] x 100
Subtract the new number by the original number
428 - 109 = 319
319 ÷ 109 = 2.926605504587156
2.926605504587156 x 100 = 292.66%