63.02% is the change from 530 to 864
Calculation steps:
[( 864 - 530 ) ÷ 530] x 100 = 63.02%
Formula
Percentage change = [(864 - 530) / 530] x 100
Subtract the new number by the original number
864 - 530 = 334
334 ÷ 530 = 0.630188679245283
0.630188679245283 x 100 = 63.02%