-60.8% is the change from 671 to 263
Calculation steps:
[( 263 - 671 ) ÷ 671] x 100 = -60.8%
Formula
Percentage change = [(263 - 671) / 671] x 100
Subtract the new number by the original number
263 - 671 = -408
-408 ÷ 671 = -0.6080476900149031
-0.6080476900149031 x 100 = -60.8%