-65.61% is the change from 977 to 336
Calculation steps:
[( 336 - 977 ) ÷ 977] x 100 = -65.61%
Formula
Percentage change = [(336 - 977) / 977] x 100
Subtract the new number by the original number
336 - 977 = -641
-641 ÷ 977 = -0.6560900716479018
-0.6560900716479018 x 100 = -65.61%