-68.2% is the change from 871 to 277
Calculation steps:
[( 277 - 871 ) ÷ 871] x 100 = -68.2%
Formula
Percentage change = [(277 - 871) / 871] x 100
Subtract the new number by the original number
277 - 871 = -594
-594 ÷ 871 = -0.6819747416762342
-0.6819747416762342 x 100 = -68.2%