-86.82% is the change from 592 to 78
Calculation steps:
[( 78 - 592 ) ÷ 592] x 100 = -86.82%
Formula
Percentage change = [(78 - 592) / 592] x 100
Subtract the new number by the original number
78 - 592 = -514
-514 ÷ 592 = -0.8682432432432432
-0.8682432432432432 x 100 = -86.82%