-38.74% is the change from 191 to 117
Calculation steps:
[( 117 - 191 ) ÷ 191] x 100 = -38.74%
Formula
Percentage change = [(117 - 191) / 191] x 100
Subtract the new number by the original number
117 - 191 = -74
-74 ÷ 191 = -0.387434554973822
-0.387434554973822 x 100 = -38.74%