-84.82% is the change from 817 to 124
Calculation steps:
[( 124 - 817 ) ÷ 817] x 100 = -84.82%
Formula
Percentage change = [(124 - 817) / 817] x 100
Subtract the new number by the original number
124 - 817 = -693
-693 ÷ 817 = -0.8482252141982864
-0.8482252141982864 x 100 = -84.82%