-69.9% is the change from 671 to 202
Calculation steps:
[( 202 - 671 ) ÷ 671] x 100 = -69.9%
Formula
Percentage change = [(202 - 671) / 671] x 100
Subtract the new number by the original number
202 - 671 = -469
-469 ÷ 671 = -0.698956780923994
-0.698956780923994 x 100 = -69.9%