-1.05% is the change from 190 to 188
Calculation steps:
[( 188 - 190 ) ÷ 190] x 100 = -1.05%
Formula
Percentage change = [(188 - 190) / 190] x 100
Subtract the new number by the original number
188 - 190 = -2
-2 ÷ 190 = -0.010526315789473684
-0.010526315789473684 x 100 = -1.05%