79.15% is the change from 235 to 421
Calculation steps:
[( 421 - 235 ) ÷ 235] x 100 = 79.15%
Formula
Percentage change = [(421 - 235) / 235] x 100
Subtract the new number by the original number
421 - 235 = 186
186 ÷ 235 = 0.7914893617021277
0.7914893617021277 x 100 = 79.15%