371.6% is the change from 81 to 382
Calculation steps:
[( 382 - 81 ) ÷ 81] x 100 = 371.6%
Formula
Percentage change = [(382 - 81) / 81] x 100
Subtract the new number by the original number
382 - 81 = 301
301 ÷ 81 = 3.7160493827160495
3.7160493827160495 x 100 = 371.6%