-61.92% is the change from 990 to 377
Calculation steps:
[( 377 - 990 ) ÷ 990] x 100 = -61.92%
Formula
Percentage change = [(377 - 990) / 990] x 100
Subtract the new number by the original number
377 - 990 = -613
-613 ÷ 990 = -0.6191919191919192
-0.6191919191919192 x 100 = -61.92%