-31.89% is the change from 922 to 628
Calculation steps:
[( 628 - 922 ) ÷ 922] x 100 = -31.89%
Formula
Percentage change = [(628 - 922) / 922] x 100
Subtract the new number by the original number
628 - 922 = -294
-294 ÷ 922 = -0.3188720173535792
-0.3188720173535792 x 100 = -31.89%