-52.34% is the change from 663 to 316
Calculation steps:
[( 316 - 663 ) ÷ 663] x 100 = -52.34%
Formula
Percentage change = [(316 - 663) / 663] x 100
Subtract the new number by the original number
316 - 663 = -347
-347 ÷ 663 = -0.5233785822021116
-0.5233785822021116 x 100 = -52.34%