-94.32% is the change from 370 to 21
Calculation steps:
[( 21 - 370 ) ÷ 370] x 100 = -94.32%
Formula
Percentage change = [(21 - 370) / 370] x 100
Subtract the new number by the original number
21 - 370 = -349
-349 ÷ 370 = -0.9432432432432433
-0.9432432432432433 x 100 = -94.32%