-61.78% is the change from 191 to 73
Calculation steps:
[( 73 - 191 ) ÷ 191] x 100 = -61.78%
Formula
Percentage change = [(73 - 191) / 191] x 100
Subtract the new number by the original number
73 - 191 = -118
-118 ÷ 191 = -0.6178010471204188
-0.6178010471204188 x 100 = -61.78%