86.98% is the change from 530 to 991
Calculation steps:
[( 991 - 530 ) ÷ 530] x 100 = 86.98%
Formula
Percentage change = [(991 - 530) / 530] x 100
Subtract the new number by the original number
991 - 530 = 461
461 ÷ 530 = 0.869811320754717
0.869811320754717 x 100 = 86.98%