-67.29% is the change from 963 to 315
Calculation steps:
[( 315 - 963 ) ÷ 963] x 100 = -67.29%
Formula
Percentage change = [(315 - 963) / 963] x 100
Subtract the new number by the original number
315 - 963 = -648
-648 ÷ 963 = -0.6728971962616822
-0.6728971962616822 x 100 = -67.29%