-8.78% is the change from 592 to 540
Calculation steps:
[( 540 - 592 ) ÷ 592] x 100 = -8.78%
Formula
Percentage change = [(540 - 592) / 592] x 100
Subtract the new number by the original number
540 - 592 = -52
-52 ÷ 592 = -0.08783783783783784
-0.08783783783783784 x 100 = -8.78%