85% is the change from 320 to 592
Calculation steps:
[( 592 - 320 ) ÷ 320] x 100 = 85%
Formula
Percentage change = [(592 - 320) / 320] x 100
Subtract the new number by the original number
592 - 320 = 272
272 ÷ 320 = 0.85
0.85 x 100 = 85%
Example