-28.05% is the change from 770 to 554
Calculation steps:
[( 554 - 770 ) ÷ 770] x 100 = -28.05%
Formula
Percentage change = [(554 - 770) / 770] x 100
Subtract the new number by the original number
554 - 770 = -216
-216 ÷ 770 = -0.2805194805194805
-0.2805194805194805 x 100 = -28.05%