-64.59% is the change from 977 to 346
Calculation steps:
[( 346 - 977 ) ÷ 977] x 100 = -64.59%
Formula
Percentage change = [(346 - 977) / 977] x 100
Subtract the new number by the original number
346 - 977 = -631
-631 ÷ 977 = -0.6458546571136131
-0.6458546571136131 x 100 = -64.59%