-64.4% is the change from 191 to 68
Calculation steps:
[( 68 - 191 ) ÷ 191] x 100 = -64.4%
Formula
Percentage change = [(68 - 191) / 191] x 100
Subtract the new number by the original number
68 - 191 = -123
-123 ÷ 191 = -0.643979057591623
-0.643979057591623 x 100 = -64.4%