-64.96% is the change from 959 to 336
Calculation steps:
[( 336 - 959 ) ÷ 959] x 100 = -64.96%
Formula
Percentage change = [(336 - 959) / 959] x 100
Subtract the new number by the original number
336 - 959 = -623
-623 ÷ 959 = -0.6496350364963503
-0.6496350364963503 x 100 = -64.96%