-76.56% is the change from 977 to 229
Calculation steps:
[( 229 - 977 ) ÷ 977] x 100 = -76.56%
Formula
Percentage change = [(229 - 977) / 977] x 100
Subtract the new number by the original number
229 - 977 = -748
-748 ÷ 977 = -0.7656090071647902
-0.7656090071647902 x 100 = -76.56%