-26.49% is the change from 921 to 677
Calculation steps:
[( 677 - 921 ) ÷ 921] x 100 = -26.49%
Formula
Percentage change = [(677 - 921) / 921] x 100
Subtract the new number by the original number
677 - 921 = -244
-244 ÷ 921 = -0.26492942453854507
-0.26492942453854507 x 100 = -26.49%