-82.7% is the change from 919 to 159
Calculation steps:
[( 159 - 919 ) ÷ 919] x 100 = -82.7%
Formula
Percentage change = [(159 - 919) / 919] x 100
Subtract the new number by the original number
159 - 919 = -760
-760 ÷ 919 = -0.8269858541893362
-0.8269858541893362 x 100 = -82.7%