-67.57% is the change from 956 to 310
Calculation steps:
[( 310 - 956 ) ÷ 956] x 100 = -67.57%
Formula
Percentage change = [(310 - 956) / 956] x 100
Subtract the new number by the original number
310 - 956 = -646
-646 ÷ 956 = -0.6757322175732218
-0.6757322175732218 x 100 = -67.57%