-29.62% is the change from 871 to 613
Calculation steps:
[( 613 - 871 ) ÷ 871] x 100 = -29.62%
Formula
Percentage change = [(613 - 871) / 871] x 100
Subtract the new number by the original number
613 - 871 = -258
-258 ÷ 871 = -0.29621125143513205
-0.29621125143513205 x 100 = -29.62%