81.47% is the change from 232 to 421
Calculation steps:
[( 421 - 232 ) ÷ 232] x 100 = 81.47%
Formula
Percentage change = [(421 - 232) / 232] x 100
Subtract the new number by the original number
421 - 232 = 189
189 ÷ 232 = 0.8146551724137931
0.8146551724137931 x 100 = 81.47%