474.7% is the change from 83 to 477
Calculation steps:
[( 477 - 83 ) ÷ 83] x 100 = 474.7%
Formula
Percentage change = [(477 - 83) / 83] x 100
Subtract the new number by the original number
477 - 83 = 394
394 ÷ 83 = 4.746987951807229
4.746987951807229 x 100 = 474.7%