-91.62% is the change from 919 to 77
Calculation steps:
[( 77 - 919 ) ÷ 919] x 100 = -91.62%
Formula
Percentage change = [(77 - 919) / 919] x 100
Subtract the new number by the original number
77 - 919 = -842
-842 ÷ 919 = -0.9162132752992383
-0.9162132752992383 x 100 = -91.62%