-76.81% is the change from 871 to 202
Calculation steps:
[( 202 - 871 ) ÷ 871] x 100 = -76.81%
Formula
Percentage change = [(202 - 871) / 871] x 100
Subtract the new number by the original number
202 - 871 = -669
-669 ÷ 871 = -0.7680826636050516
-0.7680826636050516 x 100 = -76.81%