543.9% is the change from 82 to 528
Calculation steps:
[( 528 - 82 ) ÷ 82] x 100 = 543.9%
Formula
Percentage change = [(528 - 82) / 82] x 100
Subtract the new number by the original number
528 - 82 = 446
446 ÷ 82 = 5.439024390243903
5.439024390243903 x 100 = 543.9%