-78.98% is the change from 766 to 161
Calculation steps:
[( 161 - 766 ) ÷ 766] x 100 = -78.98%
Formula
Percentage change = [(161 - 766) / 766] x 100
Subtract the new number by the original number
161 - 766 = -605
-605 ÷ 766 = -0.7898172323759791
-0.7898172323759791 x 100 = -78.98%