-72.25% is the change from 991 to 275
Calculation steps:
[( 275 - 991 ) ÷ 991] x 100 = -72.25%
Formula
Percentage change = [(275 - 991) / 991] x 100
Subtract the new number by the original number
275 - 991 = -716
-716 ÷ 991 = -0.722502522704339
-0.722502522704339 x 100 = -72.25%