-91.51% is the change from 907 to 77
Calculation steps:
[( 77 - 907 ) ÷ 907] x 100 = -91.51%
Formula
Percentage change = [(77 - 907) / 907] x 100
Subtract the new number by the original number
77 - 907 = -830
-830 ÷ 907 = -0.9151047409040793
-0.9151047409040793 x 100 = -91.51%