-75.67% is the change from 526 to 128
Calculation steps:
[( 128 - 526 ) ÷ 526] x 100 = -75.67%
Formula
Percentage change = [(128 - 526) / 526] x 100
Subtract the new number by the original number
128 - 526 = -398
-398 ÷ 526 = -0.7566539923954373
-0.7566539923954373 x 100 = -75.67%