-28.98% is the change from 521 to 370
Calculation steps:
[( 370 - 521 ) ÷ 521] x 100 = -28.98%
Formula
Percentage change = [(370 - 521) / 521] x 100
Subtract the new number by the original number
370 - 521 = -151
-151 ÷ 521 = -0.28982725527831094
-0.28982725527831094 x 100 = -28.98%