-58.12% is the change from 191 to 80
Calculation steps:
[( 80 - 191 ) ÷ 191] x 100 = -58.12%
Formula
Percentage change = [(80 - 191) / 191] x 100
Subtract the new number by the original number
80 - 191 = -111
-111 ÷ 191 = -0.581151832460733
-0.581151832460733 x 100 = -58.12%