-70.39% is the change from 537 to 159
Calculation steps:
[( 159 - 537 ) ÷ 537] x 100 = -70.39%
Formula
Percentage change = [(159 - 537) / 537] x 100
Subtract the new number by the original number
159 - 537 = -378
-378 ÷ 537 = -0.7039106145251397
-0.7039106145251397 x 100 = -70.39%