-65.57% is the change from 976 to 336
Calculation steps:
[( 336 - 976 ) ÷ 976] x 100 = -65.57%
Formula
Percentage change = [(336 - 976) / 976] x 100
Subtract the new number by the original number
336 - 976 = -640
-640 ÷ 976 = -0.6557377049180327
-0.6557377049180327 x 100 = -65.57%