-35.72% is the change from 977 to 628
Calculation steps:
[( 628 - 977 ) ÷ 977] x 100 = -35.72%
Formula
Percentage change = [(628 - 977) / 977] x 100
Subtract the new number by the original number
628 - 977 = -349
-349 ÷ 977 = -0.3572159672466735
-0.3572159672466735 x 100 = -35.72%