-67.54% is the change from 610 to 198
Calculation steps:
[( 198 - 610 ) ÷ 610] x 100 = -67.54%
Formula
Percentage change = [(198 - 610) / 610] x 100
Subtract the new number by the original number
198 - 610 = -412
-412 ÷ 610 = -0.6754098360655738
-0.6754098360655738 x 100 = -67.54%