-68.31% is the change from 991 to 314
Calculation steps:
[( 314 - 991 ) ÷ 991] x 100 = -68.31%
Formula
Percentage change = [(314 - 991) / 991] x 100
Subtract the new number by the original number
314 - 991 = -677
-677 ÷ 991 = -0.6831483350151363
-0.6831483350151363 x 100 = -68.31%