-14.92% is the change from 905 to 770
Calculation steps:
[( 770 - 905 ) ÷ 905] x 100 = -14.92%
Formula
Percentage change = [(770 - 905) / 905] x 100
Subtract the new number by the original number
770 - 905 = -135
-135 ÷ 905 = -0.14917127071823205
-0.14917127071823205 x 100 = -14.92%