-67.85% is the change from 451 to 145
Calculation steps:
[( 145 - 451 ) ÷ 451] x 100 = -67.85%
Formula
Percentage change = [(145 - 451) / 451] x 100
Subtract the new number by the original number
145 - 451 = -306
-306 ÷ 451 = -0.6784922394678492
-0.6784922394678492 x 100 = -67.85%