-77.3% is the change from 564 to 128
Calculation steps:
[( 128 - 564 ) ÷ 564] x 100 = -77.3%
Formula
Percentage change = [(128 - 564) / 564] x 100
Subtract the new number by the original number
128 - 564 = -436
-436 ÷ 564 = -0.7730496453900709
-0.7730496453900709 x 100 = -77.3%