-94.57% is the change from 552 to 30
Calculation steps:
[( 30 - 552 ) ÷ 552] x 100 = -94.57%
Formula
Percentage change = [(30 - 552) / 552] x 100
Subtract the new number by the original number
30 - 552 = -522
-522 ÷ 552 = -0.9456521739130435
-0.9456521739130435 x 100 = -94.57%