-91.5% is the change from 906 to 77
Calculation steps:
[( 77 - 906 ) ÷ 906] x 100 = -91.5%
Formula
Percentage change = [(77 - 906) / 906] x 100
Subtract the new number by the original number
77 - 906 = -829
-829 ÷ 906 = -0.9150110375275938
-0.9150110375275938 x 100 = -91.5%