-31.89% is the change from 991 to 675
Calculation steps:
[( 675 - 991 ) ÷ 991] x 100 = -31.89%
Formula
Percentage change = [(675 - 991) / 991] x 100
Subtract the new number by the original number
675 - 991 = -316
-316 ÷ 991 = -0.31886982845610495
-0.31886982845610495 x 100 = -31.89%