-74.37% is the change from 991 to 254
Calculation steps:
[( 254 - 991 ) ÷ 991] x 100 = -74.37%
Formula
Percentage change = [(254 - 991) / 991] x 100
Subtract the new number by the original number
254 - 991 = -737
-737 ÷ 991 = -0.7436932391523713
-0.7436932391523713 x 100 = -74.37%