-90.53% is the change from 919 to 87
Calculation steps:
[( 87 - 919 ) ÷ 919] x 100 = -90.53%
Formula
Percentage change = [(87 - 919) / 919] x 100
Subtract the new number by the original number
87 - 919 = -832
-832 ÷ 919 = -0.9053318824809575
-0.9053318824809575 x 100 = -90.53%