-67.88% is the change from 959 to 308
Calculation steps:
[( 308 - 959 ) ÷ 959] x 100 = -67.88%
Formula
Percentage change = [(308 - 959) / 959] x 100
Subtract the new number by the original number
308 - 959 = -651
-651 ÷ 959 = -0.6788321167883211
-0.6788321167883211 x 100 = -67.88%