443.21% is the change from 81 to 440
Calculation steps:
[( 440 - 81 ) ÷ 81] x 100 = 443.21%
Formula
Percentage change = [(440 - 81) / 81] x 100
Subtract the new number by the original number
440 - 81 = 359
359 ÷ 81 = 4.432098765432099
4.432098765432099 x 100 = 443.21%