-68.34% is the change from 199 to 63
Calculation steps:
[( 63 - 199 ) ÷ 199] x 100 = -68.34%
Formula
Percentage change = [(63 - 199) / 199] x 100
Subtract the new number by the original number
63 - 199 = -136
-136 ÷ 199 = -0.6834170854271356
-0.6834170854271356 x 100 = -68.34%