-51.1% is the change from 771 to 377
Calculation steps:
[( 377 - 771 ) ÷ 771] x 100 = -51.1%
Formula
Percentage change = [(377 - 771) / 771] x 100
Subtract the new number by the original number
377 - 771 = -394
-394 ÷ 771 = -0.5110246433203631
-0.5110246433203631 x 100 = -51.1%