86.04% is the change from 523 to 973
Calculation steps:
[( 973 - 523 ) ÷ 523] x 100 = 86.04%
Formula
Percentage change = [(973 - 523) / 523] x 100
Subtract the new number by the original number
973 - 523 = 450
450 ÷ 523 = 0.8604206500956023
0.8604206500956023 x 100 = 86.04%