420.73% is the change from 82 to 427
Calculation steps:
[( 427 - 82 ) ÷ 82] x 100 = 420.73%
Formula
Percentage change = [(427 - 82) / 82] x 100
Subtract the new number by the original number
427 - 82 = 345
345 ÷ 82 = 4.2073170731707314
4.2073170731707314 x 100 = 420.73%