-66.49% is the change from 570 to 191
Calculation steps:
[( 191 - 570 ) ÷ 570] x 100 = -66.49%
Formula
Percentage change = [(191 - 570) / 570] x 100
Subtract the new number by the original number
191 - 570 = -379
-379 ÷ 570 = -0.6649122807017543
-0.6649122807017543 x 100 = -66.49%