-67.11% is the change from 450 to 148
Calculation steps:
[( 148 - 450 ) ÷ 450] x 100 = -67.11%
Formula
Percentage change = [(148 - 450) / 450] x 100
Subtract the new number by the original number
148 - 450 = -302
-302 ÷ 450 = -0.6711111111111111
-0.6711111111111111 x 100 = -67.11%