-67.64% is the change from 958 to 310
Calculation steps:
[( 310 - 958 ) ÷ 958] x 100 = -67.64%
Formula
Percentage change = [(310 - 958) / 958] x 100
Subtract the new number by the original number
310 - 958 = -648
-648 ÷ 958 = -0.6764091858037579
-0.6764091858037579 x 100 = -67.64%