-71.3% is the change from 690 to 198
Calculation steps:
[( 198 - 690 ) ÷ 690] x 100 = -71.3%
Formula
Percentage change = [(198 - 690) / 690] x 100
Subtract the new number by the original number
198 - 690 = -492
-492 ÷ 690 = -0.7130434782608696
-0.7130434782608696 x 100 = -71.3%