-65.51% is the change from 977 to 337
Calculation steps:
[( 337 - 977 ) ÷ 977] x 100 = -65.51%
Formula
Percentage change = [(337 - 977) / 977] x 100
Subtract the new number by the original number
337 - 977 = -640
-640 ÷ 977 = -0.6550665301944729
-0.6550665301944729 x 100 = -65.51%