-66.41% is the change from 655 to 220
Calculation steps:
[( 220 - 655 ) ÷ 655] x 100 = -66.41%
Formula
Percentage change = [(220 - 655) / 655] x 100
Subtract the new number by the original number
220 - 655 = -435
-435 ÷ 655 = -0.6641221374045801
-0.6641221374045801 x 100 = -66.41%