-67.95% is the change from 677 to 217
Calculation steps:
[( 217 - 677 ) ÷ 677] x 100 = -67.95%
Formula
Percentage change = [(217 - 677) / 677] x 100
Subtract the new number by the original number
217 - 677 = -460
-460 ÷ 677 = -0.6794682422451994
-0.6794682422451994 x 100 = -67.95%