-45.74% is the change from 188 to 102
Calculation steps:
[( 102 - 188 ) ÷ 188] x 100 = -45.74%
Formula
Percentage change = [(102 - 188) / 188] x 100
Subtract the new number by the original number
102 - 188 = -86
-86 ÷ 188 = -0.4574468085106383
-0.4574468085106383 x 100 = -45.74%