-71.08% is the change from 771 to 223
Calculation steps:
[( 223 - 771 ) ÷ 771] x 100 = -71.08%
Formula
Percentage change = [(223 - 771) / 771] x 100
Subtract the new number by the original number
223 - 771 = -548
-548 ÷ 771 = -0.7107652399481194
-0.7107652399481194 x 100 = -71.08%