-38.68% is the change from 897 to 550
Calculation steps:
[( 550 - 897 ) ÷ 897] x 100 = -38.68%
Formula
Percentage change = [(550 - 897) / 897] x 100
Subtract the new number by the original number
550 - 897 = -347
-347 ÷ 897 = -0.38684503901895206
-0.38684503901895206 x 100 = -38.68%