-71.37% is the change from 688 to 197
Calculation steps:
[( 197 - 688 ) ÷ 688] x 100 = -71.37%
Formula
Percentage change = [(197 - 688) / 688] x 100
Subtract the new number by the original number
197 - 688 = -491
-491 ÷ 688 = -0.7136627906976745
-0.7136627906976745 x 100 = -71.37%