-30.02% is the change from 553 to 387
Calculation steps:
[( 387 - 553 ) ÷ 553] x 100 = -30.02%
Formula
Percentage change = [(387 - 553) / 553] x 100
Subtract the new number by the original number
387 - 553 = -166
-166 ÷ 553 = -0.30018083182640143
-0.30018083182640143 x 100 = -30.02%