-19.15% is the change from 188 to 152
Calculation steps:
[( 152 - 188 ) ÷ 188] x 100 = -19.15%
Formula
Percentage change = [(152 - 188) / 188] x 100
Subtract the new number by the original number
152 - 188 = -36
-36 ÷ 188 = -0.19148936170212766
-0.19148936170212766 x 100 = -19.15%