-14.99% is the change from 907 to 771
Calculation steps:
[( 771 - 907 ) ÷ 907] x 100 = -14.99%
Formula
Percentage change = [(771 - 907) / 907] x 100
Subtract the new number by the original number
771 - 907 = -136
-136 ÷ 907 = -0.14994487320837926
-0.14994487320837926 x 100 = -14.99%