-65.32% is the change from 447 to 155
Calculation steps:
[( 155 - 447 ) ÷ 447] x 100 = -65.32%
Formula
Percentage change = [(155 - 447) / 447] x 100
Subtract the new number by the original number
155 - 447 = -292
-292 ÷ 447 = -0.6532438478747203
-0.6532438478747203 x 100 = -65.32%