-37.84% is the change from 991 to 616
Calculation steps:
[( 616 - 991 ) ÷ 991] x 100 = -37.84%
Formula
Percentage change = [(616 - 991) / 991] x 100
Subtract the new number by the original number
616 - 991 = -375
-375 ÷ 991 = -0.3784056508577195
-0.3784056508577195 x 100 = -37.84%