-14.33% is the change from 977 to 837
Calculation steps:
[( 837 - 977 ) ÷ 977] x 100 = -14.33%
Formula
Percentage change = [(837 - 977) / 977] x 100
Subtract the new number by the original number
837 - 977 = -140
-140 ÷ 977 = -0.14329580348004095
-0.14329580348004095 x 100 = -14.33%