-61.17% is the change from 188 to 73
Calculation steps:
[( 73 - 188 ) ÷ 188] x 100 = -61.17%
Formula
Percentage change = [(73 - 188) / 188] x 100
Subtract the new number by the original number
73 - 188 = -115
-115 ÷ 188 = -0.6117021276595744
-0.6117021276595744 x 100 = -61.17%