-60.24% is the change from 991 to 394
Calculation steps:
[( 394 - 991 ) ÷ 991] x 100 = -60.24%
Formula
Percentage change = [(394 - 991) / 991] x 100
Subtract the new number by the original number
394 - 991 = -597
-597 ÷ 991 = -0.6024217961654894
-0.6024217961654894 x 100 = -60.24%