-86.66% is the change from 907 to 121
Calculation steps:
[( 121 - 907 ) ÷ 907] x 100 = -86.66%
Formula
Percentage change = [(121 - 907) / 907] x 100
Subtract the new number by the original number
121 - 907 = -786
-786 ÷ 907 = -0.8665931642778391
-0.8665931642778391 x 100 = -86.66%