543.37% is the change from 83 to 534
Calculation steps:
[( 534 - 83 ) ÷ 83] x 100 = 543.37%
Formula
Percentage change = [(534 - 83) / 83] x 100
Subtract the new number by the original number
534 - 83 = 451
451 ÷ 83 = 5.433734939759036
5.433734939759036 x 100 = 543.37%