-70.3% is the change from 771 to 229
Calculation steps:
[( 229 - 771 ) ÷ 771] x 100 = -70.3%
Formula
Percentage change = [(229 - 771) / 771] x 100
Subtract the new number by the original number
229 - 771 = -542
-542 ÷ 771 = -0.7029831387808041
-0.7029831387808041 x 100 = -70.3%