-83.44% is the change from 773 to 128
Calculation steps:
[( 128 - 773 ) ÷ 773] x 100 = -83.44%
Formula
Percentage change = [(128 - 773) / 773] x 100
Subtract the new number by the original number
128 - 773 = -645
-645 ÷ 773 = -0.8344113842173351
-0.8344113842173351 x 100 = -83.44%