-72.08% is the change from 197 to 55
Calculation steps:
[( 55 - 197 ) ÷ 197] x 100 = -72.08%
Formula
Percentage change = [(55 - 197) / 197] x 100
Subtract the new number by the original number
55 - 197 = -142
-142 ÷ 197 = -0.7208121827411168
-0.7208121827411168 x 100 = -72.08%