-77.53% is the change from 356 to 80
Calculation steps:
[( 80 - 356 ) ÷ 356] x 100 = -77.53%
Formula
Percentage change = [(80 - 356) / 356] x 100
Subtract the new number by the original number
80 - 356 = -276
-276 ÷ 356 = -0.7752808988764045
-0.7752808988764045 x 100 = -77.53%