-76.41% is the change from 937 to 221
Calculation steps:
[( 221 - 937 ) ÷ 937] x 100 = -76.41%
Formula
Percentage change = [(221 - 937) / 937] x 100
Subtract the new number by the original number
221 - 937 = -716
-716 ÷ 937 = -0.7641408751334045
-0.7641408751334045 x 100 = -76.41%