-80.16% is the change from 771 to 153
Calculation steps:
[( 153 - 771 ) ÷ 771] x 100 = -80.16%
Formula
Percentage change = [(153 - 771) / 771] x 100
Subtract the new number by the original number
153 - 771 = -618
-618 ÷ 771 = -0.8015564202334631
-0.8015564202334631 x 100 = -80.16%