55.28% is the change from 530 to 823
Calculation steps:
[( 823 - 530 ) ÷ 530] x 100 = 55.28%
Formula
Percentage change = [(823 - 530) / 530] x 100
Subtract the new number by the original number
823 - 530 = 293
293 ÷ 530 = 0.5528301886792453
0.5528301886792453 x 100 = 55.28%