-47.15% is the change from 526 to 278
Calculation steps:
[( 278 - 526 ) ÷ 526] x 100 = -47.15%
Formula
Percentage change = [(278 - 526) / 526] x 100
Subtract the new number by the original number
278 - 526 = -248
-248 ÷ 526 = -0.4714828897338403
-0.4714828897338403 x 100 = -47.15%