-69.93% is the change from 449 to 135
Calculation steps:
[( 135 - 449 ) ÷ 449] x 100 = -69.93%
Formula
Percentage change = [(135 - 449) / 449] x 100
Subtract the new number by the original number
135 - 449 = -314
-314 ÷ 449 = -0.6993318485523385
-0.6993318485523385 x 100 = -69.93%