-54.79% is the change from 188 to 85
Calculation steps:
[( 85 - 188 ) ÷ 188] x 100 = -54.79%
Formula
Percentage change = [(85 - 188) / 188] x 100
Subtract the new number by the original number
85 - 188 = -103
-103 ÷ 188 = -0.5478723404255319
-0.5478723404255319 x 100 = -54.79%