-7.48% is the change from 936 to 866
Calculation steps:
[( 866 - 936 ) ÷ 936] x 100 = -7.48%
Formula
Percentage change = [(866 - 936) / 936] x 100
Subtract the new number by the original number
866 - 936 = -70
-70 ÷ 936 = -0.07478632478632478
-0.07478632478632478 x 100 = -7.48%