478.31% is the change from 83 to 480
Calculation steps:
[( 480 - 83 ) ÷ 83] x 100 = 478.31%
Formula
Percentage change = [(480 - 83) / 83] x 100
Subtract the new number by the original number
480 - 83 = 397
397 ÷ 83 = 4.783132530120482
4.783132530120482 x 100 = 478.31%