54.34% is the change from 530 to 818
Calculation steps:
[( 818 - 530 ) ÷ 530] x 100 = 54.34%
Formula
Percentage change = [(818 - 530) / 530] x 100
Subtract the new number by the original number
818 - 530 = 288
288 ÷ 530 = 0.5433962264150943
0.5433962264150943 x 100 = 54.34%