530.12% is the change from 83 to 523
Calculation steps:
[( 523 - 83 ) ÷ 83] x 100 = 530.12%
Formula
Percentage change = [(523 - 83) / 83] x 100
Subtract the new number by the original number
523 - 83 = 440
440 ÷ 83 = 5.301204819277109
5.301204819277109 x 100 = 530.12%