-77.54% is the change from 610 to 137
Calculation steps:
[( 137 - 610 ) ÷ 610] x 100 = -77.54%
Formula
Percentage change = [(137 - 610) / 610] x 100
Subtract the new number by the original number
137 - 610 = -473
-473 ÷ 610 = -0.7754098360655738
-0.7754098360655738 x 100 = -77.54%