-10.05% is the change from 975 to 877
Calculation steps:
[( 877 - 975 ) ÷ 975] x 100 = -10.05%
Formula
Percentage change = [(877 - 975) / 975] x 100
Subtract the new number by the original number
877 - 975 = -98
-98 ÷ 975 = -0.10051282051282051
-0.10051282051282051 x 100 = -10.05%