-91.89% is the change from 950 to 77
Calculation steps:
[( 77 - 950 ) ÷ 950] x 100 = -91.89%
Formula
Percentage change = [(77 - 950) / 950] x 100
Subtract the new number by the original number
77 - 950 = -873
-873 ÷ 950 = -0.9189473684210526
-0.9189473684210526 x 100 = -91.89%