-45.21% is the change from 146 to 80
Calculation steps:
[( 80 - 146 ) ÷ 146] x 100 = -45.21%
Formula
Percentage change = [(80 - 146) / 146] x 100
Subtract the new number by the original number
80 - 146 = -66
-66 ÷ 146 = -0.4520547945205479
-0.4520547945205479 x 100 = -45.21%