-97.04% is the change from 135 to 4
Calculation steps:
[( 4 - 135 ) ÷ 135] x 100 = -97.04%
Formula
Percentage change = [(4 - 135) / 135] x 100
Subtract the new number by the original number
4 - 135 = -131
-131 ÷ 135 = -0.9703703703703703
-0.9703703703703703 x 100 = -97.04%