-51.18% is the change from 553 to 270
Calculation steps:
[( 270 - 553 ) ÷ 553] x 100 = -51.18%
Formula
Percentage change = [(270 - 553) / 553] x 100
Subtract the new number by the original number
270 - 553 = -283
-283 ÷ 553 = -0.5117540687160941
-0.5117540687160941 x 100 = -51.18%