-68.27% is the change from 457 to 145
Calculation steps:
[( 145 - 457 ) ÷ 457] x 100 = -68.27%
Formula
Percentage change = [(145 - 457) / 457] x 100
Subtract the new number by the original number
145 - 457 = -312
-312 ÷ 457 = -0.6827133479212254
-0.6827133479212254 x 100 = -68.27%