-63.66% is the change from 977 to 355
Calculation steps:
[( 355 - 977 ) ÷ 977] x 100 = -63.66%
Formula
Percentage change = [(355 - 977) / 977] x 100
Subtract the new number by the original number
355 - 977 = -622
-622 ÷ 977 = -0.6366427840327533
-0.6366427840327533 x 100 = -63.66%