-70.9% is the change from 189 to 55
Calculation steps:
[( 55 - 189 ) ÷ 189] x 100 = -70.9%
Formula
Percentage change = [(55 - 189) / 189] x 100
Subtract the new number by the original number
55 - 189 = -134
-134 ÷ 189 = -0.708994708994709
-0.708994708994709 x 100 = -70.9%