-4.94% is the change from 991 to 942
Calculation steps:
[( 942 - 991 ) ÷ 991] x 100 = -4.94%
Formula
Percentage change = [(942 - 991) / 991] x 100
Subtract the new number by the original number
942 - 991 = -49
-49 ÷ 991 = -0.04944500504540868
-0.04944500504540868 x 100 = -4.94%