-87.11% is the change from 551 to 71
Calculation steps:
[( 71 - 551 ) ÷ 551] x 100 = -87.11%
Formula
Percentage change = [(71 - 551) / 551] x 100
Subtract the new number by the original number
71 - 551 = -480
-480 ÷ 551 = -0.8711433756805808
-0.8711433756805808 x 100 = -87.11%