-69.9% is the change from 947 to 285
Calculation steps:
[( 285 - 947 ) ÷ 947] x 100 = -69.9%
Formula
Percentage change = [(285 - 947) / 947] x 100
Subtract the new number by the original number
285 - 947 = -662
-662 ÷ 947 = -0.6990496304118268
-0.6990496304118268 x 100 = -69.9%