-9.37% is the change from 961 to 871
Calculation steps:
[( 871 - 961 ) ÷ 961] x 100 = -9.37%
Formula
Percentage change = [(871 - 961) / 961] x 100
Subtract the new number by the original number
871 - 961 = -90
-90 ÷ 961 = -0.09365244536940687
-0.09365244536940687 x 100 = -9.37%