-21.9% is the change from 977 to 763
Calculation steps:
[( 763 - 977 ) ÷ 977] x 100 = -21.9%
Formula
Percentage change = [(763 - 977) / 977] x 100
Subtract the new number by the original number
763 - 977 = -214
-214 ÷ 977 = -0.21903787103377687
-0.21903787103377687 x 100 = -21.9%