-80.89% is the change from 921 to 176
Calculation steps:
[( 176 - 921 ) ÷ 921] x 100 = -80.89%
Formula
Percentage change = [(176 - 921) / 921] x 100
Subtract the new number by the original number
176 - 921 = -745
-745 ÷ 921 = -0.8089033659066233
-0.8089033659066233 x 100 = -80.89%