-61.7% is the change from 188 to 72
Calculation steps:
[( 72 - 188 ) ÷ 188] x 100 = -61.7%
Formula
Percentage change = [(72 - 188) / 188] x 100
Subtract the new number by the original number
72 - 188 = -116
-116 ÷ 188 = -0.6170212765957447
-0.6170212765957447 x 100 = -61.7%