-66.26% is the change from 655 to 221
Calculation steps:
[( 221 - 655 ) ÷ 655] x 100 = -66.26%
Formula
Percentage change = [(221 - 655) / 655] x 100
Subtract the new number by the original number
221 - 655 = -434
-434 ÷ 655 = -0.6625954198473283
-0.6625954198473283 x 100 = -66.26%