-91.63% is the change from 848 to 71
Calculation steps:
[( 71 - 848 ) ÷ 848] x 100 = -91.63%
Formula
Percentage change = [(71 - 848) / 848] x 100
Subtract the new number by the original number
71 - 848 = -777
-777 ÷ 848 = -0.9162735849056604
-0.9162735849056604 x 100 = -91.63%