-70.53% is the change from 526 to 155
Calculation steps:
[( 155 - 526 ) ÷ 526] x 100 = -70.53%
Formula
Percentage change = [(155 - 526) / 526] x 100
Subtract the new number by the original number
155 - 526 = -371
-371 ÷ 526 = -0.7053231939163498
-0.7053231939163498 x 100 = -70.53%