-69.97% is the change from 949 to 285
Calculation steps:
[( 285 - 949 ) ÷ 949] x 100 = -69.97%
Formula
Percentage change = [(285 - 949) / 949] x 100
Subtract the new number by the original number
285 - 949 = -664
-664 ÷ 949 = -0.6996838777660696
-0.6996838777660696 x 100 = -69.97%