-69.13% is the change from 447 to 138
Calculation steps:
[( 138 - 447 ) ÷ 447] x 100 = -69.13%
Formula
Percentage change = [(138 - 447) / 447] x 100
Subtract the new number by the original number
138 - 447 = -309
-309 ÷ 447 = -0.6912751677852349
-0.6912751677852349 x 100 = -69.13%