-1.52% is the change from 921 to 907
Calculation steps:
[( 907 - 921 ) ÷ 921] x 100 = -1.52%
Formula
Percentage change = [(907 - 921) / 921] x 100
Subtract the new number by the original number
907 - 921 = -14
-14 ÷ 921 = -0.01520086862106406
-0.01520086862106406 x 100 = -1.52%