-81.22% is the change from 591 to 111
Calculation steps:
[( 111 - 591 ) ÷ 591] x 100 = -81.22%
Formula
Percentage change = [(111 - 591) / 591] x 100
Subtract the new number by the original number
111 - 591 = -480
-480 ÷ 591 = -0.8121827411167513
-0.8121827411167513 x 100 = -81.22%