-71.24% is the change from 991 to 285
Calculation steps:
[( 285 - 991 ) ÷ 991] x 100 = -71.24%
Formula
Percentage change = [(285 - 991) / 991] x 100
Subtract the new number by the original number
285 - 991 = -706
-706 ÷ 991 = -0.7124117053481333
-0.7124117053481333 x 100 = -71.24%