-83.73% is the change from 848 to 138
Calculation steps:
[( 138 - 848 ) ÷ 848] x 100 = -83.73%
Formula
Percentage change = [(138 - 848) / 848] x 100
Subtract the new number by the original number
138 - 848 = -710
-710 ÷ 848 = -0.8372641509433962
-0.8372641509433962 x 100 = -83.73%