-70.59% is the change from 187 to 55
Calculation steps:
[( 55 - 187 ) ÷ 187] x 100 = -70.59%
Formula
Percentage change = [(55 - 187) / 187] x 100
Subtract the new number by the original number
55 - 187 = -132
-132 ÷ 187 = -0.7058823529411765
-0.7058823529411765 x 100 = -70.59%