-14.55% is the change from 921 to 787
Calculation steps:
[( 787 - 921 ) ÷ 921] x 100 = -14.55%
Formula
Percentage change = [(787 - 921) / 921] x 100
Subtract the new number by the original number
787 - 921 = -134
-134 ÷ 921 = -0.1454940282301846
-0.1454940282301846 x 100 = -14.55%