-72.92% is the change from 613 to 166
Calculation steps:
[( 166 - 613 ) ÷ 613] x 100 = -72.92%
Formula
Percentage change = [(166 - 613) / 613] x 100
Subtract the new number by the original number
166 - 613 = -447
-447 ÷ 613 = -0.7292006525285482
-0.7292006525285482 x 100 = -72.92%