-81.01% is the change from 674 to 128
Calculation steps:
[( 128 - 674 ) ÷ 674] x 100 = -81.01%
Formula
Percentage change = [(128 - 674) / 674] x 100
Subtract the new number by the original number
128 - 674 = -546
-546 ÷ 674 = -0.8100890207715133
-0.8100890207715133 x 100 = -81.01%