-78.31% is the change from 590 to 128
Calculation steps:
[( 128 - 590 ) ÷ 590] x 100 = -78.31%
Formula
Percentage change = [(128 - 590) / 590] x 100
Subtract the new number by the original number
128 - 590 = -462
-462 ÷ 590 = -0.7830508474576271
-0.7830508474576271 x 100 = -78.31%