-74.14% is the change from 526 to 136
Calculation steps:
[( 136 - 526 ) ÷ 526] x 100 = -74.14%
Formula
Percentage change = [(136 - 526) / 526] x 100
Subtract the new number by the original number
136 - 526 = -390
-390 ÷ 526 = -0.7414448669201521
-0.7414448669201521 x 100 = -74.14%