-61.96% is the change from 991 to 377
Calculation steps:
[( 377 - 991 ) ÷ 991] x 100 = -61.96%
Formula
Percentage change = [(377 - 991) / 991] x 100
Subtract the new number by the original number
377 - 991 = -614
-614 ÷ 991 = -0.6195761856710393
-0.6195761856710393 x 100 = -61.96%