-75.36% is the change from 897 to 221
Calculation steps:
[( 221 - 897 ) ÷ 897] x 100 = -75.36%
Formula
Percentage change = [(221 - 897) / 897] x 100
Subtract the new number by the original number
221 - 897 = -676
-676 ÷ 897 = -0.7536231884057971
-0.7536231884057971 x 100 = -75.36%