-55.06% is the change from 178 to 80
Calculation steps:
[( 80 - 178 ) ÷ 178] x 100 = -55.06%
Formula
Percentage change = [(80 - 178) / 178] x 100
Subtract the new number by the original number
80 - 178 = -98
-98 ÷ 178 = -0.550561797752809
-0.550561797752809 x 100 = -55.06%