-3.52% is the change from 199 to 192
Calculation steps:
[( 192 - 199 ) ÷ 199] x 100 = -3.52%
Formula
Percentage change = [(192 - 199) / 199] x 100
Subtract the new number by the original number
192 - 199 = -7
-7 ÷ 199 = -0.035175879396984924
-0.035175879396984924 x 100 = -3.52%