-53.1% is the change from 145 to 68
Calculation steps:
[( 68 - 145 ) ÷ 145] x 100 = -53.1%
Formula
Percentage change = [(68 - 145) / 145] x 100
Subtract the new number by the original number
68 - 145 = -77
-77 ÷ 145 = -0.5310344827586206
-0.5310344827586206 x 100 = -53.1%