-67.1% is the change from 611 to 201
Calculation steps:
[( 201 - 611 ) ÷ 611] x 100 = -67.1%
Formula
Percentage change = [(201 - 611) / 611] x 100
Subtract the new number by the original number
201 - 611 = -410
-410 ÷ 611 = -0.6710310965630114
-0.6710310965630114 x 100 = -67.1%