-76.21% is the change from 538 to 128
Calculation steps:
[( 128 - 538 ) ÷ 538] x 100 = -76.21%
Formula
Percentage change = [(128 - 538) / 538] x 100
Subtract the new number by the original number
128 - 538 = -410
-410 ÷ 538 = -0.7620817843866171
-0.7620817843866171 x 100 = -76.21%