-63.96% is the change from 197 to 71
Calculation steps:
[( 71 - 197 ) ÷ 197] x 100 = -63.96%
Formula
Percentage change = [(71 - 197) / 197] x 100
Subtract the new number by the original number
71 - 197 = -126
-126 ÷ 197 = -0.6395939086294417
-0.6395939086294417 x 100 = -63.96%