-82.11% is the change from 570 to 102
Calculation steps:
[( 102 - 570 ) ÷ 570] x 100 = -82.11%
Formula
Percentage change = [(102 - 570) / 570] x 100
Subtract the new number by the original number
102 - 570 = -468
-468 ÷ 570 = -0.8210526315789474
-0.8210526315789474 x 100 = -82.11%